Home / 1,151,867.50-1,589,380.32-668,321.80

Finding the Fourth Proportional to 1,151,867.50, 1,589,380.32 and 668,321.80

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Solution

The fourth proportional to 1,151,867.50, 1,589,380.32 and 668,321.80 is: 922,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,867.50 : 1,589,380.32 = 668,321.80 : x
  2. Step 2: Convert to fraction form
    1,151,867.50/1,589,380.32 = 668,321.80/x
  3. Step 3: Cross multiply
    1,151,867.50x = 1,589,380.32 × 668,321.80
  4. Step 4: Simplify right side
    1,151,867.50x = 1,062,217,516,346.98
  5. Step 5: Solve for x
    x = 1,062,217,516,346.98/1,151,867.50
  6. Step 6: Final answer
    x = 922,169.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.