Home / 1,115,198.54-1,538,923.83-631,753.82

Finding the Fourth Proportional to 1,115,198.54, 1,538,923.83 and 631,753.82

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Solution

The fourth proportional to 1,115,198.54, 1,538,923.83 and 631,753.82 is: 871,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,198.54 : 1,538,923.83 = 631,753.82 : x
  2. Step 2: Convert to fraction form
    1,115,198.54/1,538,923.83 = 631,753.82/x
  3. Step 3: Cross multiply
    1,115,198.54x = 1,538,923.83 × 631,753.82
  4. Step 4: Simplify right side
    1,115,198.54x = 972,221,008,291.53
  5. Step 5: Solve for x
    x = 972,221,008,291.53/1,115,198.54
  6. Step 6: Final answer
    x = 871,791.86

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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.