Home / 527,423.32-727,847.70-285,705.92

Finding the Fourth Proportional to 527,423.32, 727,847.70 and 285,705.92

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Solution

The fourth proportional to 527,423.32, 727,847.70 and 285,705.92 is: 394,276.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,423.32 : 727,847.70 = 285,705.92 : x
  2. Step 2: Convert to fraction form
    527,423.32/727,847.70 = 285,705.92/x
  3. Step 3: Cross multiply
    527,423.32x = 727,847.70 × 285,705.92
  4. Step 4: Simplify right side
    527,423.32x = 207,950,396,748.38
  5. Step 5: Solve for x
    x = 207,950,396,748.38/527,423.32
  6. Step 6: Final answer
    x = 394,276.08

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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.