Home / 527,132.54-727,439.82-285,410.11

Finding the Fourth Proportional to 527,132.54, 727,439.82 and 285,410.11

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Solution

The fourth proportional to 527,132.54, 727,439.82 and 285,410.11 is: 393,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,132.54 : 727,439.82 = 285,410.11 : x
  2. Step 2: Convert to fraction form
    527,132.54/727,439.82 = 285,410.11/x
  3. Step 3: Cross multiply
    527,132.54x = 727,439.82 × 285,410.11
  4. Step 4: Simplify right side
    527,132.54x = 207,618,679,044.58
  5. Step 5: Solve for x
    x = 207,618,679,044.58/527,132.54
  6. Step 6: Final answer
    x = 393,864.28

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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.