Home / 1,169,912.44-1,614,512.28-660,691.36

Finding the Fourth Proportional to 1,169,912.44, 1,614,512.28 and 660,691.36

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Solution

The fourth proportional to 1,169,912.44, 1,614,512.28 and 660,691.36 is: 911,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,912.44 : 1,614,512.28 = 660,691.36 : x
  2. Step 2: Convert to fraction form
    1,169,912.44/1,614,512.28 = 660,691.36/x
  3. Step 3: Cross multiply
    1,169,912.44x = 1,614,512.28 × 660,691.36
  4. Step 4: Simplify right side
    1,169,912.44x = 1,066,694,314,009.90
  5. Step 5: Solve for x
    x = 1,066,694,314,009.90/1,169,912.44
  6. Step 6: Final answer
    x = 911,772.78

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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.