Home / 1,185,591.78-1,635,670.05-777,918.66

Finding the Fourth Proportional to 1,185,591.78, 1,635,670.05 and 777,918.66

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Solution

The fourth proportional to 1,185,591.78, 1,635,670.05 and 777,918.66 is: 1,073,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,591.78 : 1,635,670.05 = 777,918.66 : x
  2. Step 2: Convert to fraction form
    1,185,591.78/1,635,670.05 = 777,918.66/x
  3. Step 3: Cross multiply
    1,185,591.78x = 1,635,670.05 × 777,918.66
  4. Step 4: Simplify right side
    1,185,591.78x = 1,272,418,253,498.13
  5. Step 5: Solve for x
    x = 1,272,418,253,498.13/1,185,591.78
  6. Step 6: Final answer
    x = 1,073,234.71

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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.