Home / 527,189.03-727,524.36-285,471.61

Finding the Fourth Proportional to 527,189.03, 727,524.36 and 285,471.61

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Solution

The fourth proportional to 527,189.03, 727,524.36 and 285,471.61 is: 393,952.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,189.03 : 727,524.36 = 285,471.61 : x
  2. Step 2: Convert to fraction form
    527,189.03/727,524.36 = 285,471.61/x
  3. Step 3: Cross multiply
    527,189.03x = 727,524.36 × 285,471.61
  4. Step 4: Simplify right side
    527,189.03x = 207,687,550,363.42
  5. Step 5: Solve for x
    x = 207,687,550,363.42/527,189.03
  6. Step 6: Final answer
    x = 393,952.72

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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.