Home / 886,494.36-1,326,387.78-543,713.88

Finding the Fourth Proportional to 886,494.36, 1,326,387.78 and 543,713.88

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Solution

The fourth proportional to 886,494.36, 1,326,387.78 and 543,713.88 is: 813,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,494.36 : 1,326,387.78 = 543,713.88 : x
  2. Step 2: Convert to fraction form
    886,494.36/1,326,387.78 = 543,713.88/x
  3. Step 3: Cross multiply
    886,494.36x = 1,326,387.78 × 543,713.88
  4. Step 4: Simplify right side
    886,494.36x = 721,175,446,248.39
  5. Step 5: Solve for x
    x = 721,175,446,248.39/886,494.36
  6. Step 6: Final answer
    x = 813,513.86

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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.