Home / 1,185,131.77-1,635,469.57-641,255.56

Finding the Fourth Proportional to 1,185,131.77, 1,635,469.57 and 641,255.56

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Solution

The fourth proportional to 1,185,131.77, 1,635,469.57 and 641,255.56 is: 884,926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,131.77 : 1,635,469.57 = 641,255.56 : x
  2. Step 2: Convert to fraction form
    1,185,131.77/1,635,469.57 = 641,255.56/x
  3. Step 3: Cross multiply
    1,185,131.77x = 1,635,469.57 × 641,255.56
  4. Step 4: Simplify right side
    1,185,131.77x = 1,048,753,943,589.68
  5. Step 5: Solve for x
    x = 1,048,753,943,589.68/1,185,131.77
  6. Step 6: Final answer
    x = 884,926.03

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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.