Home / 527,249.31-727,602.94-285,531.14

Finding the Fourth Proportional to 527,249.31, 727,602.94 and 285,531.14

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Solution

The fourth proportional to 527,249.31, 727,602.94 and 285,531.14 is: 394,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,249.31 : 727,602.94 = 285,531.14 : x
  2. Step 2: Convert to fraction form
    527,249.31/727,602.94 = 285,531.14/x
  3. Step 3: Cross multiply
    527,249.31x = 727,602.94 × 285,531.14
  4. Step 4: Simplify right side
    527,249.31x = 207,753,296,925.55
  5. Step 5: Solve for x
    x = 207,753,296,925.55/527,249.31
  6. Step 6: Final answer
    x = 394,032.37

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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.