Home / 352,561.12-527,672.22-321,044.02

Finding the Fourth Proportional to 352,561.12, 527,672.22 and 321,044.02

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Solution

The fourth proportional to 352,561.12, 527,672.22 and 321,044.02 is: 480,501.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,561.12 : 527,672.22 = 321,044.02 : x
  2. Step 2: Convert to fraction form
    352,561.12/527,672.22 = 321,044.02/x
  3. Step 3: Cross multiply
    352,561.12x = 527,672.22 × 321,044.02
  4. Step 4: Simplify right side
    352,561.12x = 169,406,010,751.12
  5. Step 5: Solve for x
    x = 169,406,010,751.12/352,561.12
  6. Step 6: Final answer
    x = 480,501.11

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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.