Home / 581,188.38-802,397.79-460,815.90

Finding the Fourth Proportional to 581,188.38, 802,397.79 and 460,815.90

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Solution

The fourth proportional to 581,188.38, 802,397.79 and 460,815.90 is: 636,209.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,188.38 : 802,397.79 = 460,815.90 : x
  2. Step 2: Convert to fraction form
    581,188.38/802,397.79 = 460,815.90/x
  3. Step 3: Cross multiply
    581,188.38x = 802,397.79 × 460,815.90
  4. Step 4: Simplify right side
    581,188.38x = 369,757,659,756.86
  5. Step 5: Solve for x
    x = 369,757,659,756.86/581,188.38
  6. Step 6: Final answer
    x = 636,209.66

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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.