Home / 527,186.22-727,520.46-285,468.79

Finding the Fourth Proportional to 527,186.22, 727,520.46 and 285,468.79

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Solution

The fourth proportional to 527,186.22, 727,520.46 and 285,468.79 is: 393,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,186.22 : 727,520.46 = 285,468.79 : x
  2. Step 2: Convert to fraction form
    527,186.22/727,520.46 = 285,468.79/x
  3. Step 3: Cross multiply
    527,186.22x = 727,520.46 × 285,468.79
  4. Step 4: Simplify right side
    527,186.22x = 207,684,381,778.84
  5. Step 5: Solve for x
    x = 207,684,381,778.84/527,186.22
  6. Step 6: Final answer
    x = 393,948.81

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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.