Home / 1,439,781.60-1,987,119.36-888,818.16

Finding the Fourth Proportional to 1,439,781.60, 1,987,119.36 and 888,818.16

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Solution

The fourth proportional to 1,439,781.60, 1,987,119.36 and 888,818.16 is: 1,226,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,781.60 : 1,987,119.36 = 888,818.16 : x
  2. Step 2: Convert to fraction form
    1,439,781.60/1,987,119.36 = 888,818.16/x
  3. Step 3: Cross multiply
    1,439,781.60x = 1,987,119.36 × 888,818.16
  4. Step 4: Simplify right side
    1,439,781.60x = 1,766,187,773,255.58
  5. Step 5: Solve for x
    x = 1,766,187,773,255.58/1,439,781.60
  6. Step 6: Final answer
    x = 1,226,705.34

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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.