Home / 987,864.88-1,363,316.52-605,839.72

Finding the Fourth Proportional to 987,864.88, 1,363,316.52 and 605,839.72

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Solution

The fourth proportional to 987,864.88, 1,363,316.52 and 605,839.72 is: 836,097.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,864.88 : 1,363,316.52 = 605,839.72 : x
  2. Step 2: Convert to fraction form
    987,864.88/1,363,316.52 = 605,839.72/x
  3. Step 3: Cross multiply
    987,864.88x = 1,363,316.52 × 605,839.72
  4. Step 4: Simplify right side
    987,864.88x = 825,951,298,748.17
  5. Step 5: Solve for x
    x = 825,951,298,748.17/987,864.88
  6. Step 6: Final answer
    x = 836,097.44

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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.