Home / 676,936.39-1,013,115.85-658,720.14

Finding the Fourth Proportional to 676,936.39, 1,013,115.85 and 658,720.14

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Solution

The fourth proportional to 676,936.39, 1,013,115.85 and 658,720.14 is: 985,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,936.39 : 1,013,115.85 = 658,720.14 : x
  2. Step 2: Convert to fraction form
    676,936.39/1,013,115.85 = 658,720.14/x
  3. Step 3: Cross multiply
    676,936.39x = 1,013,115.85 × 658,720.14
  4. Step 4: Simplify right side
    676,936.39x = 667,359,814,548.22
  5. Step 5: Solve for x
    x = 667,359,814,548.22/676,936.39
  6. Step 6: Final answer
    x = 985,853.06

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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.