Home / 591,248.40-887,002.20-191,821.20

Finding the Fourth Proportional to 591,248.40, 887,002.20 and 191,821.20

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Solution

The fourth proportional to 591,248.40, 887,002.20 and 191,821.20 is: 287,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,248.40 : 887,002.20 = 191,821.20 : x
  2. Step 2: Convert to fraction form
    591,248.40/887,002.20 = 191,821.20/x
  3. Step 3: Cross multiply
    591,248.40x = 887,002.20 × 191,821.20
  4. Step 4: Simplify right side
    591,248.40x = 170,145,826,406.64
  5. Step 5: Solve for x
    x = 170,145,826,406.64/591,248.40
  6. Step 6: Final answer
    x = 287,773.85

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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.