Home / 396,824.26-547,621.50-215,539.73

Finding the Fourth Proportional to 396,824.26, 547,621.50 and 215,539.73

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Solution

The fourth proportional to 396,824.26, 547,621.50 and 215,539.73 is: 297,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,824.26 : 547,621.50 = 215,539.73 : x
  2. Step 2: Convert to fraction form
    396,824.26/547,621.50 = 215,539.73/x
  3. Step 3: Cross multiply
    396,824.26x = 547,621.50 × 215,539.73
  4. Step 4: Simplify right side
    396,824.26x = 118,034,191,621.25
  5. Step 5: Solve for x
    x = 118,034,191,621.25/396,824.26
  6. Step 6: Final answer
    x = 297,447.01

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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.