Home / 447,514.19-617,560.96-243,569.61

Finding the Fourth Proportional to 447,514.19, 617,560.96 and 243,569.61

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Solution

The fourth proportional to 447,514.19, 617,560.96 and 243,569.61 is: 336,121.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,514.19 : 617,560.96 = 243,569.61 : x
  2. Step 2: Convert to fraction form
    447,514.19/617,560.96 = 243,569.61/x
  3. Step 3: Cross multiply
    447,514.19x = 617,560.96 × 243,569.61
  4. Step 4: Simplify right side
    447,514.19x = 150,419,080,289.30
  5. Step 5: Solve for x
    x = 150,419,080,289.30/447,514.19
  6. Step 6: Final answer
    x = 336,121.36

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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.