Home / 838,135.32-1,156,849.17-516,115.29

Finding the Fourth Proportional to 838,135.32, 1,156,849.17 and 516,115.29

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Solution

The fourth proportional to 838,135.32, 1,156,849.17 and 516,115.29 is: 712,376.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,135.32 : 1,156,849.17 = 516,115.29 : x
  2. Step 2: Convert to fraction form
    838,135.32/1,156,849.17 = 516,115.29/x
  3. Step 3: Cross multiply
    838,135.32x = 1,156,849.17 × 516,115.29
  4. Step 4: Simplify right side
    838,135.32x = 597,067,550,166.71
  5. Step 5: Solve for x
    x = 597,067,550,166.71/838,135.32
  6. Step 6: Final answer
    x = 712,376.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.