Home / 1,263,787.28-1,743,600.83-719,538.15

Finding the Fourth Proportional to 1,263,787.28, 1,743,600.83 and 719,538.15

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Solution

The fourth proportional to 1,263,787.28, 1,743,600.83 and 719,538.15 is: 992,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,787.28 : 1,743,600.83 = 719,538.15 : x
  2. Step 2: Convert to fraction form
    1,263,787.28/1,743,600.83 = 719,538.15/x
  3. Step 3: Cross multiply
    1,263,787.28x = 1,743,600.83 × 719,538.15
  4. Step 4: Simplify right side
    1,263,787.28x = 1,254,587,311,958.97
  5. Step 5: Solve for x
    x = 1,254,587,311,958.97/1,263,787.28
  6. Step 6: Final answer
    x = 992,720.32

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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.