Home / 396,850.41-547,663.46-215,562.29

Finding the Fourth Proportional to 396,850.41, 547,663.46 and 215,562.29

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Solution

The fourth proportional to 396,850.41, 547,663.46 and 215,562.29 is: 297,481.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,850.41 : 547,663.46 = 215,562.29 : x
  2. Step 2: Convert to fraction form
    396,850.41/547,663.46 = 215,562.29/x
  3. Step 3: Cross multiply
    396,850.41x = 547,663.46 × 215,562.29
  4. Step 4: Simplify right side
    396,850.41x = 118,055,585,770.80
  5. Step 5: Solve for x
    x = 118,055,585,770.80/396,850.41
  6. Step 6: Final answer
    x = 297,481.32

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1.5x scale

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.