Home / 527,310.96-727,753.04-297,877.92

Finding the Fourth Proportional to 527,310.96, 727,753.04 and 297,877.92

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Solution

The fourth proportional to 527,310.96, 727,753.04 and 297,877.92 is: 411,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,310.96 : 727,753.04 = 297,877.92 : x
  2. Step 2: Convert to fraction form
    527,310.96/727,753.04 = 297,877.92/x
  3. Step 3: Cross multiply
    527,310.96x = 727,753.04 × 297,877.92
  4. Step 4: Simplify right side
    527,310.96x = 216,781,561,828.88
  5. Step 5: Solve for x
    x = 216,781,561,828.88/527,310.96
  6. Step 6: Final answer
    x = 411,107.64

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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.