Home / 992,702.40-1,489,053.60-614,788.80

Finding the Fourth Proportional to 992,702.40, 1,489,053.60 and 614,788.80

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Solution

The fourth proportional to 992,702.40, 1,489,053.60 and 614,788.80 is: 922,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,702.40 : 1,489,053.60 = 614,788.80 : x
  2. Step 2: Convert to fraction form
    992,702.40/1,489,053.60 = 614,788.80/x
  3. Step 3: Cross multiply
    992,702.40x = 1,489,053.60 × 614,788.80
  4. Step 4: Simplify right side
    992,702.40x = 915,453,475,879.68
  5. Step 5: Solve for x
    x = 915,453,475,879.68/992,702.40
  6. Step 6: Final answer
    x = 922,183.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.