Home / 322,471.24-479,647.04-321,392.32

Finding the Fourth Proportional to 322,471.24, 479,647.04 and 321,392.32

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Solution

The fourth proportional to 322,471.24, 479,647.04 and 321,392.32 is: 478,042.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,471.24 : 479,647.04 = 321,392.32 : x
  2. Step 2: Convert to fraction form
    322,471.24/479,647.04 = 321,392.32/x
  3. Step 3: Cross multiply
    322,471.24x = 479,647.04 × 321,392.32
  4. Step 4: Simplify right side
    322,471.24x = 154,154,874,966.73
  5. Step 5: Solve for x
    x = 154,154,874,966.73/322,471.24
  6. Step 6: Final answer
    x = 478,042.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.