Home / 448,046.10-672,069.15-413,831.70

Finding the Fourth Proportional to 448,046.10, 672,069.15 and 413,831.70

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Solution

The fourth proportional to 448,046.10, 672,069.15 and 413,831.70 is: 620,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,046.10 : 672,069.15 = 413,831.70 : x
  2. Step 2: Convert to fraction form
    448,046.10/672,069.15 = 413,831.70/x
  3. Step 3: Cross multiply
    448,046.10x = 672,069.15 × 413,831.70
  4. Step 4: Simplify right side
    448,046.10x = 278,123,518,862.06
  5. Step 5: Solve for x
    x = 278,123,518,862.06/448,046.10
  6. Step 6: Final answer
    x = 620,747.55

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.