Home / 352,557.38-527,666.61-321,040.28

Finding the Fourth Proportional to 352,557.38, 527,666.61 and 321,040.28

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Solution

The fourth proportional to 352,557.38, 527,666.61 and 321,040.28 is: 480,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,557.38 : 527,666.61 = 321,040.28 : x
  2. Step 2: Convert to fraction form
    352,557.38/527,666.61 = 321,040.28/x
  3. Step 3: Cross multiply
    352,557.38x = 527,666.61 × 321,040.28
  4. Step 4: Simplify right side
    352,557.38x = 169,402,236,221.05
  5. Step 5: Solve for x
    x = 169,402,236,221.05/352,557.38
  6. Step 6: Final answer
    x = 480,495.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.