Home / 591,186.40-886,909.20-191,759.20

Finding the Fourth Proportional to 591,186.40, 886,909.20 and 191,759.20

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Solution

The fourth proportional to 591,186.40, 886,909.20 and 191,759.20 is: 287,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,186.40 : 886,909.20 = 191,759.20 : x
  2. Step 2: Convert to fraction form
    591,186.40/886,909.20 = 191,759.20/x
  3. Step 3: Cross multiply
    591,186.40x = 886,909.20 × 191,759.20
  4. Step 4: Simplify right side
    591,186.40x = 170,072,998,664.64
  5. Step 5: Solve for x
    x = 170,072,998,664.64/591,186.40
  6. Step 6: Final answer
    x = 287,680.84

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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.