Home / 1,411,400.32-1,948,040.40-868,003.60

Finding the Fourth Proportional to 1,411,400.32, 1,948,040.40 and 868,003.60

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Solution

The fourth proportional to 1,411,400.32, 1,948,040.40 and 868,003.60 is: 1,198,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,400.32 : 1,948,040.40 = 868,003.60 : x
  2. Step 2: Convert to fraction form
    1,411,400.32/1,948,040.40 = 868,003.60/x
  3. Step 3: Cross multiply
    1,411,400.32x = 1,948,040.40 × 868,003.60
  4. Step 4: Simplify right side
    1,411,400.32x = 1,690,906,080,145.44
  5. Step 5: Solve for x
    x = 1,690,906,080,145.44/1,411,400.32
  6. Step 6: Final answer
    x = 1,198,034.36

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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.