Home / 462,822.56-638,677.68-261,622.88

Finding the Fourth Proportional to 462,822.56, 638,677.68 and 261,622.88

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Solution

The fourth proportional to 462,822.56, 638,677.68 and 261,622.88 is: 361,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,822.56 : 638,677.68 = 261,622.88 : x
  2. Step 2: Convert to fraction form
    462,822.56/638,677.68 = 261,622.88/x
  3. Step 3: Cross multiply
    462,822.56x = 638,677.68 × 261,622.88
  4. Step 4: Simplify right side
    462,822.56x = 167,092,694,033.32
  5. Step 5: Solve for x
    x = 167,092,694,033.32/462,822.56
  6. Step 6: Final answer
    x = 361,029.71

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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.