Home / 527,280.48-727,642.98-285,562.31

Finding the Fourth Proportional to 527,280.48, 727,642.98 and 285,562.31

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Solution

The fourth proportional to 527,280.48, 727,642.98 and 285,562.31 is: 394,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,280.48 : 727,642.98 = 285,562.31 : x
  2. Step 2: Convert to fraction form
    527,280.48/727,642.98 = 285,562.31/x
  3. Step 3: Cross multiply
    527,280.48x = 727,642.98 × 285,562.31
  4. Step 4: Simplify right side
    527,280.48x = 207,787,406,585.87
  5. Step 5: Solve for x
    x = 207,787,406,585.87/527,280.48
  6. Step 6: Final answer
    x = 394,073.77

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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.