Home / 527,294.12-727,665.26-285,576.55

Finding the Fourth Proportional to 527,294.12, 727,665.26 and 285,576.55

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Solution

The fourth proportional to 527,294.12, 727,665.26 and 285,576.55 is: 394,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,294.12 : 727,665.26 = 285,576.55 : x
  2. Step 2: Convert to fraction form
    527,294.12/727,665.26 = 285,576.55/x
  3. Step 3: Cross multiply
    527,294.12x = 727,665.26 × 285,576.55
  4. Step 4: Simplify right side
    527,294.12x = 207,804,131,258.61
  5. Step 5: Solve for x
    x = 207,804,131,258.61/527,294.12
  6. Step 6: Final answer
    x = 394,095.30

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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.