Home / 1,469,076.03-2,028,129.36-1,028,229.12

Finding the Fourth Proportional to 1,469,076.03, 2,028,129.36 and 1,028,229.12

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Solution

The fourth proportional to 1,469,076.03, 2,028,129.36 and 1,028,229.12 is: 1,419,519.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,076.03 : 2,028,129.36 = 1,028,229.12 : x
  2. Step 2: Convert to fraction form
    1,469,076.03/2,028,129.36 = 1,028,229.12/x
  3. Step 3: Cross multiply
    1,469,076.03x = 2,028,129.36 × 1,028,229.12
  4. Step 4: Simplify right side
    1,469,076.03x = 2,085,381,667,078.96
  5. Step 5: Solve for x
    x = 2,085,381,667,078.96/1,469,076.03
  6. Step 6: Final answer
    x = 1,419,519.22

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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.