Home / 397,016.44-547,873.05-222,575.07

Finding the Fourth Proportional to 397,016.44, 547,873.05 and 222,575.07

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Solution

The fourth proportional to 397,016.44, 547,873.05 and 222,575.07 is: 307,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,016.44 : 547,873.05 = 222,575.07 : x
  2. Step 2: Convert to fraction form
    397,016.44/547,873.05 = 222,575.07/x
  3. Step 3: Cross multiply
    397,016.44x = 547,873.05 × 222,575.07
  4. Step 4: Simplify right side
    397,016.44x = 121,942,882,454.86
  5. Step 5: Solve for x
    x = 121,942,882,454.86/397,016.44
  6. Step 6: Final answer
    x = 307,148.19

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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.