Home / 527,263.20-727,614.23-285,543.81

Finding the Fourth Proportional to 527,263.20, 727,614.23 and 285,543.81

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Solution

The fourth proportional to 527,263.20, 727,614.23 and 285,543.81 is: 394,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,263.20 : 727,614.23 = 285,543.81 : x
  2. Step 2: Convert to fraction form
    527,263.20/727,614.23 = 285,543.81/x
  3. Step 3: Cross multiply
    527,263.20x = 727,614.23 × 285,543.81
  4. Step 4: Simplify right side
    527,263.20x = 207,765,738,016.70
  5. Step 5: Solve for x
    x = 207,765,738,016.70/527,263.20
  6. Step 6: Final answer
    x = 394,045.59

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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.