Home / 676,850.38-933,935.15-386,329.30

Finding the Fourth Proportional to 676,850.38, 933,935.15 and 386,329.30

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Solution

The fourth proportional to 676,850.38, 933,935.15 and 386,329.30 is: 533,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,850.38 : 933,935.15 = 386,329.30 : x
  2. Step 2: Convert to fraction form
    676,850.38/933,935.15 = 386,329.30/x
  3. Step 3: Cross multiply
    676,850.38x = 933,935.15 × 386,329.30
  4. Step 4: Simplify right side
    676,850.38x = 360,806,511,375.88
  5. Step 5: Solve for x
    x = 360,806,511,375.88/676,850.38
  6. Step 6: Final answer
    x = 533,066.87

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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.