[Flutter] problem to transform from gcm_magna to lat, long in dart-flutter

I was trying to convert from gcm_magna to lat and long using the lib but the outputs were inaccurate. Can some one explain me or correct me?


var destProjection = Projection.get('EPSG:4326')!; // WGS84 (EPSG:4326)

// Definir las coordenadas en EPSG:3116
var point = Point(x: 846358.4308, y: 1639765.33);

// Convertir las coordenadas de EPSG:3116 a EPSG:4326
var transformedPoint = srcProjection.transform(destProjection, point);

print('Latitud: ${transformedPoint.y}, Longitud: ${transformedPoint.x}');```

my inputs were: (x: 846358.4308, y: 1639765.33) and the expected outputs are Lat: 10.377944565887024, Long: -75.48036335262766. But I have Lat: 14.809695868343415, Long: -71.7825948906633

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