Home / 527,229.11-727,572.54-285,506.15

Finding the Fourth Proportional to 527,229.11, 727,572.54 and 285,506.15

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Solution

The fourth proportional to 527,229.11, 727,572.54 and 285,506.15 is: 393,996.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,229.11 : 727,572.54 = 285,506.15 : x
  2. Step 2: Convert to fraction form
    527,229.11/727,572.54 = 285,506.15/x
  3. Step 3: Cross multiply
    527,229.11x = 727,572.54 × 285,506.15
  4. Step 4: Simplify right side
    527,229.11x = 207,726,431,103.26
  5. Step 5: Solve for x
    x = 207,726,431,103.26/527,229.11
  6. Step 6: Final answer
    x = 393,996.52

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1.5x scale

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.