Home / 1,193,148.78-1,646,545.56-656,604.78

Finding the Fourth Proportional to 1,193,148.78, 1,646,545.56 and 656,604.78

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Solution

The fourth proportional to 1,193,148.78, 1,646,545.56 and 656,604.78 is: 906,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,148.78 : 1,646,545.56 = 656,604.78 : x
  2. Step 2: Convert to fraction form
    1,193,148.78/1,646,545.56 = 656,604.78/x
  3. Step 3: Cross multiply
    1,193,148.78x = 1,646,545.56 × 656,604.78
  4. Step 4: Simplify right side
    1,193,148.78x = 1,081,129,685,183.78
  5. Step 5: Solve for x
    x = 1,081,129,685,183.78/1,193,148.78
  6. Step 6: Final answer
    x = 906,114.73

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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.