Home / 524,926.92-724,517.64-321,147.72

Finding the Fourth Proportional to 524,926.92, 724,517.64 and 321,147.72

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Solution

The fourth proportional to 524,926.92, 724,517.64 and 321,147.72 is: 443,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,926.92 : 724,517.64 = 321,147.72 : x
  2. Step 2: Convert to fraction form
    524,926.92/724,517.64 = 321,147.72/x
  3. Step 3: Cross multiply
    524,926.92x = 724,517.64 × 321,147.72
  4. Step 4: Simplify right side
    524,926.92x = 232,677,188,185.78
  5. Step 5: Solve for x
    x = 232,677,188,185.78/524,926.92
  6. Step 6: Final answer
    x = 443,256.35

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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.