Home / 396,521.64-547,200.27-215,233.53

Finding the Fourth Proportional to 396,521.64, 547,200.27 and 215,233.53

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Solution

The fourth proportional to 396,521.64, 547,200.27 and 215,233.53 is: 297,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,521.64 : 547,200.27 = 215,233.53 : x
  2. Step 2: Convert to fraction form
    396,521.64/547,200.27 = 215,233.53/x
  3. Step 3: Cross multiply
    396,521.64x = 547,200.27 × 215,233.53
  4. Step 4: Simplify right side
    396,521.64x = 117,775,845,729.05
  5. Step 5: Solve for x
    x = 117,775,845,729.05/396,521.64
  6. Step 6: Final answer
    x = 297,022.49

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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.