Home / 1,228,585.28-1,694,868-718,972.16

Finding the Fourth Proportional to 1,228,585.28, 1,694,868 and 718,972.16

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Solution

The fourth proportional to 1,228,585.28, 1,694,868 and 718,972.16 is: 991,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,585.28 : 1,694,868 = 718,972.16 : x
  2. Step 2: Convert to fraction form
    1,228,585.28/1,694,868 = 718,972.16/x
  3. Step 3: Cross multiply
    1,228,585.28x = 1,694,868 × 718,972.16
  4. Step 4: Simplify right side
    1,228,585.28x = 1,218,562,906,874.88
  5. Step 5: Solve for x
    x = 1,218,562,906,874.88/1,228,585.28
  6. Step 6: Final answer
    x = 991,842.35

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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.