Home / 591,208.40-886,942.20-191,781.20

Finding the Fourth Proportional to 591,208.40, 886,942.20 and 191,781.20

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Solution

The fourth proportional to 591,208.40, 886,942.20 and 191,781.20 is: 287,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,208.40 : 886,942.20 = 191,781.20 : x
  2. Step 2: Convert to fraction form
    591,208.40/886,942.20 = 191,781.20/x
  3. Step 3: Cross multiply
    591,208.40x = 886,942.20 × 191,781.20
  4. Step 4: Simplify right side
    591,208.40x = 170,098,839,446.64
  5. Step 5: Solve for x
    x = 170,098,839,446.64/591,208.40
  6. Step 6: Final answer
    x = 287,713.84

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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.