Home / 1,193,579.88-1,647,161.19-649,731.30

Finding the Fourth Proportional to 1,193,579.88, 1,647,161.19 and 649,731.30

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Solution

The fourth proportional to 1,193,579.88, 1,647,161.19 and 649,731.30 is: 896,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,579.88 : 1,647,161.19 = 649,731.30 : x
  2. Step 2: Convert to fraction form
    1,193,579.88/1,647,161.19 = 649,731.30/x
  3. Step 3: Cross multiply
    1,193,579.88x = 1,647,161.19 × 649,731.30
  4. Step 4: Simplify right side
    1,193,579.88x = 1,070,212,181,288.25
  5. Step 5: Solve for x
    x = 1,070,212,181,288.25/1,193,579.88
  6. Step 6: Final answer
    x = 896,640.60

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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.