Home / 1,098,961.20-1,648,441.80-966,100.95

Finding the Fourth Proportional to 1,098,961.20, 1,648,441.80 and 966,100.95

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Solution

The fourth proportional to 1,098,961.20, 1,648,441.80 and 966,100.95 is: 1,449,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,961.20 : 1,648,441.80 = 966,100.95 : x
  2. Step 2: Convert to fraction form
    1,098,961.20/1,648,441.80 = 966,100.95/x
  3. Step 3: Cross multiply
    1,098,961.20x = 1,648,441.80 × 966,100.95
  4. Step 4: Simplify right side
    1,098,961.20x = 1,592,561,188,999.71
  5. Step 5: Solve for x
    x = 1,592,561,188,999.71/1,098,961.20
  6. Step 6: Final answer
    x = 1,449,151.43

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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.