Home / 527,167.91-727,490.70-285,451.20

Finding the Fourth Proportional to 527,167.91, 727,490.70 and 285,451.20

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Solution

The fourth proportional to 527,167.91, 727,490.70 and 285,451.20 is: 393,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,167.91 : 727,490.70 = 285,451.20 : x
  2. Step 2: Convert to fraction form
    527,167.91/727,490.70 = 285,451.20/x
  3. Step 3: Cross multiply
    527,167.91x = 727,490.70 × 285,451.20
  4. Step 4: Simplify right side
    527,167.91x = 207,663,093,303.84
  5. Step 5: Solve for x
    x = 207,663,093,303.84/527,167.91
  6. Step 6: Final answer
    x = 393,922.10

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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.