Home / 1,240,760.32-1,712,170.38-696,882.04

Finding the Fourth Proportional to 1,240,760.32, 1,712,170.38 and 696,882.04

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Solution

The fourth proportional to 1,240,760.32, 1,712,170.38 and 696,882.04 is: 961,652.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,760.32 : 1,712,170.38 = 696,882.04 : x
  2. Step 2: Convert to fraction form
    1,240,760.32/1,712,170.38 = 696,882.04/x
  3. Step 3: Cross multiply
    1,240,760.32x = 1,712,170.38 × 696,882.04
  4. Step 4: Simplify right side
    1,240,760.32x = 1,193,180,787,241.98
  5. Step 5: Solve for x
    x = 1,193,180,787,241.98/1,240,760.32
  6. Step 6: Final answer
    x = 961,652.92

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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.