Home / 1,165,290.78-1,608,254.55-656,092.38

Finding the Fourth Proportional to 1,165,290.78, 1,608,254.55 and 656,092.38

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Solution

The fourth proportional to 1,165,290.78, 1,608,254.55 and 656,092.38 is: 905,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,290.78 : 1,608,254.55 = 656,092.38 : x
  2. Step 2: Convert to fraction form
    1,165,290.78/1,608,254.55 = 656,092.38/x
  3. Step 3: Cross multiply
    1,165,290.78x = 1,608,254.55 × 656,092.38
  4. Step 4: Simplify right side
    1,165,290.78x = 1,055,163,555,355.33
  5. Step 5: Solve for x
    x = 1,055,163,555,355.33/1,165,290.78
  6. Step 6: Final answer
    x = 905,493.78

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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.