Home / 539,929.16-810,726.08-456,781.85

Finding the Fourth Proportional to 539,929.16, 810,726.08 and 456,781.85

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Solution

The fourth proportional to 539,929.16, 810,726.08 and 456,781.85 is: 685,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,929.16 : 810,726.08 = 456,781.85 : x
  2. Step 2: Convert to fraction form
    539,929.16/810,726.08 = 456,781.85/x
  3. Step 3: Cross multiply
    539,929.16x = 810,726.08 × 456,781.85
  4. Step 4: Simplify right side
    539,929.16x = 370,324,952,328.11
  5. Step 5: Solve for x
    x = 370,324,952,328.11/539,929.16
  6. Step 6: Final answer
    x = 685,876.93

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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.