Home / 524,977.44-724,523.28-321,164.07

Finding the Fourth Proportional to 524,977.44, 724,523.28 and 321,164.07

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Solution

The fourth proportional to 524,977.44, 724,523.28 and 321,164.07 is: 443,239.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,977.44 : 724,523.28 = 321,164.07 : x
  2. Step 2: Convert to fraction form
    524,977.44/724,523.28 = 321,164.07/x
  3. Step 3: Cross multiply
    524,977.44x = 724,523.28 × 321,164.07
  4. Step 4: Simplify right side
    524,977.44x = 232,690,847,375.21
  5. Step 5: Solve for x
    x = 232,690,847,375.21/524,977.44
  6. Step 6: Final answer
    x = 443,239.71

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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.