Home / 527,060.80-727,344.18-285,343.42

Finding the Fourth Proportional to 527,060.80, 727,344.18 and 285,343.42

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Solution

The fourth proportional to 527,060.80, 727,344.18 and 285,343.42 is: 393,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,060.80 : 727,344.18 = 285,343.42 : x
  2. Step 2: Convert to fraction form
    527,060.80/727,344.18 = 285,343.42/x
  3. Step 3: Cross multiply
    527,060.80x = 727,344.18 × 285,343.42
  4. Step 4: Simplify right side
    527,060.80x = 207,542,875,838.30
  5. Step 5: Solve for x
    x = 207,542,875,838.30/527,060.80
  6. Step 6: Final answer
    x = 393,774.07

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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.