Home / 527,260.20-727,610.08-285,540.81

Finding the Fourth Proportional to 527,260.20, 727,610.08 and 285,540.81

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Solution

The fourth proportional to 527,260.20, 727,610.08 and 285,540.81 is: 394,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,260.20 : 727,610.08 = 285,540.81 : x
  2. Step 2: Convert to fraction form
    527,260.20/727,610.08 = 285,540.81/x
  3. Step 3: Cross multiply
    527,260.20x = 727,610.08 × 285,540.81
  4. Step 4: Simplify right side
    527,260.20x = 207,762,371,607.37
  5. Step 5: Solve for x
    x = 207,762,371,607.37/527,260.20
  6. Step 6: Final answer
    x = 394,041.45

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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.