Home / 394,447.30-591,282.15-194,604.10

Finding the Fourth Proportional to 394,447.30, 591,282.15 and 194,604.10

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Solution

The fourth proportional to 394,447.30, 591,282.15 and 194,604.10 is: 291,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,447.30 : 591,282.15 = 194,604.10 : x
  2. Step 2: Convert to fraction form
    394,447.30/591,282.15 = 194,604.10/x
  3. Step 3: Cross multiply
    394,447.30x = 591,282.15 × 194,604.10
  4. Step 4: Simplify right side
    394,447.30x = 115,065,930,646.82
  5. Step 5: Solve for x
    x = 115,065,930,646.82/394,447.30
  6. Step 6: Final answer
    x = 291,714.33

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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.