Original value - 724934.817084
Rounded to whole number - 724935
Rounded to decimal places
     -4 - 720000
     -3 - 725000
     -2 - 724900
     -1 - 724930
      0 - 724935
      1 - 724934.8
      2 - 724934.82
      3 - 724934.817
      4 - 724934.8171