Home / 800,836.88-1,199,991.11-650,344.95

Finding the Fourth Proportional to 800,836.88, 1,199,991.11 and 650,344.95

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Solution

The fourth proportional to 800,836.88, 1,199,991.11 and 650,344.95 is: 974,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,836.88 : 1,199,991.11 = 650,344.95 : x
  2. Step 2: Convert to fraction form
    800,836.88/1,199,991.11 = 650,344.95/x
  3. Step 3: Cross multiply
    800,836.88x = 1,199,991.11 × 650,344.95
  4. Step 4: Simplify right side
    800,836.88x = 780,408,155,181.67
  5. Step 5: Solve for x
    x = 780,408,155,181.67/800,836.88
  6. Step 6: Final answer
    x = 974,490.79

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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.