Home / 462,481.26-638,327.03-281,154.75

Finding the Fourth Proportional to 462,481.26, 638,327.03 and 281,154.75

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Solution

The fourth proportional to 462,481.26, 638,327.03 and 281,154.75 is: 388,056.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,481.26 : 638,327.03 = 281,154.75 : x
  2. Step 2: Convert to fraction form
    462,481.26/638,327.03 = 281,154.75/x
  3. Step 3: Cross multiply
    462,481.26x = 638,327.03 × 281,154.75
  4. Step 4: Simplify right side
    462,481.26x = 179,468,675,132.12
  5. Step 5: Solve for x
    x = 179,468,675,132.12/462,481.26
  6. Step 6: Final answer
    x = 388,056.10

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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.