Home / 482,899.27-724,458.25-258,141.28

Finding the Fourth Proportional to 482,899.27, 724,458.25 and 258,141.28

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Solution

The fourth proportional to 482,899.27, 724,458.25 and 258,141.28 is: 387,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,899.27 : 724,458.25 = 258,141.28 : x
  2. Step 2: Convert to fraction form
    482,899.27/724,458.25 = 258,141.28/x
  3. Step 3: Cross multiply
    482,899.27x = 724,458.25 × 258,141.28
  4. Step 4: Simplify right side
    482,899.27x = 187,012,579,961.56
  5. Step 5: Solve for x
    x = 187,012,579,961.56/482,899.27
  6. Step 6: Final answer
    x = 387,270.37

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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.