Home / 591,639.90-887,589.45-192,212.70

Finding the Fourth Proportional to 591,639.90, 887,589.45 and 192,212.70

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Solution

The fourth proportional to 591,639.90, 887,589.45 and 192,212.70 is: 288,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,639.90 : 887,589.45 = 192,212.70 : x
  2. Step 2: Convert to fraction form
    591,639.90/887,589.45 = 192,212.70/x
  3. Step 3: Cross multiply
    591,639.90x = 887,589.45 × 192,212.70
  4. Step 4: Simplify right side
    591,639.90x = 170,605,964,676.02
  5. Step 5: Solve for x
    x = 170,605,964,676.02/591,639.90
  6. Step 6: Final answer
    x = 288,361.15

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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.