Home / 527,045.92-727,329.10-285,333.62

Finding the Fourth Proportional to 527,045.92, 727,329.10 and 285,333.62

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Solution

The fourth proportional to 527,045.92, 727,329.10 and 285,333.62 is: 393,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,045.92 : 727,329.10 = 285,333.62 : x
  2. Step 2: Convert to fraction form
    527,045.92/727,329.10 = 285,333.62/x
  3. Step 3: Cross multiply
    527,045.92x = 727,329.10 × 285,333.62
  4. Step 4: Simplify right side
    527,045.92x = 207,531,445,034.34
  5. Step 5: Solve for x
    x = 207,531,445,034.34/527,045.92
  6. Step 6: Final answer
    x = 393,763.50

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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.