Home / 1,115,229.78-1,539,023.49-605,936.34

Finding the Fourth Proportional to 1,115,229.78, 1,539,023.49 and 605,936.34

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Solution

The fourth proportional to 1,115,229.78, 1,539,023.49 and 605,936.34 is: 836,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,229.78 : 1,539,023.49 = 605,936.34 : x
  2. Step 2: Convert to fraction form
    1,115,229.78/1,539,023.49 = 605,936.34/x
  3. Step 3: Cross multiply
    1,115,229.78x = 1,539,023.49 × 605,936.34
  4. Step 4: Simplify right side
    1,115,229.78x = 932,550,260,704.63
  5. Step 5: Solve for x
    x = 932,550,260,704.63/1,115,229.78
  6. Step 6: Final answer
    x = 836,195.62

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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.