Home / 1,227,889.56-1,694,038.14-744,105.72

Finding the Fourth Proportional to 1,227,889.56, 1,694,038.14 and 744,105.72

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Solution

The fourth proportional to 1,227,889.56, 1,694,038.14 and 744,105.72 is: 1,026,593.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,889.56 : 1,694,038.14 = 744,105.72 : x
  2. Step 2: Convert to fraction form
    1,227,889.56/1,694,038.14 = 744,105.72/x
  3. Step 3: Cross multiply
    1,227,889.56x = 1,694,038.14 × 744,105.72
  4. Step 4: Simplify right side
    1,227,889.56x = 1,260,543,469,872.16
  5. Step 5: Solve for x
    x = 1,260,543,469,872.16/1,227,889.56
  6. Step 6: Final answer
    x = 1,026,593.52

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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.