Home / 397,273.44-548,248.14-215,997.56

Finding the Fourth Proportional to 397,273.44, 548,248.14 and 215,997.56

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Solution

The fourth proportional to 397,273.44, 548,248.14 and 215,997.56 is: 298,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,273.44 : 548,248.14 = 215,997.56 : x
  2. Step 2: Convert to fraction form
    397,273.44/548,248.14 = 215,997.56/x
  3. Step 3: Cross multiply
    397,273.44x = 548,248.14 × 215,997.56
  4. Step 4: Simplify right side
    397,273.44x = 118,420,257,773.30
  5. Step 5: Solve for x
    x = 118,420,257,773.30/397,273.44
  6. Step 6: Final answer
    x = 298,082.49

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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.