Home / 1,150,565.76-1,587,712.44-660,422.04

Finding the Fourth Proportional to 1,150,565.76, 1,587,712.44 and 660,422.04

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Solution

The fourth proportional to 1,150,565.76, 1,587,712.44 and 660,422.04 is: 911,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,565.76 : 1,587,712.44 = 660,422.04 : x
  2. Step 2: Convert to fraction form
    1,150,565.76/1,587,712.44 = 660,422.04/x
  3. Step 3: Cross multiply
    1,150,565.76x = 1,587,712.44 × 660,422.04
  4. Step 4: Simplify right side
    1,150,565.76x = 1,048,560,288,558.18
  5. Step 5: Solve for x
    x = 1,048,560,288,558.18/1,150,565.76
  6. Step 6: Final answer
    x = 911,343.21

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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.