Home / 1,179,405.36-1,627,187.89-961,238.90

Finding the Fourth Proportional to 1,179,405.36, 1,627,187.89 and 961,238.90

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Solution

The fourth proportional to 1,179,405.36, 1,627,187.89 and 961,238.90 is: 1,326,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,405.36 : 1,627,187.89 = 961,238.90 : x
  2. Step 2: Convert to fraction form
    1,179,405.36/1,627,187.89 = 961,238.90/x
  3. Step 3: Cross multiply
    1,179,405.36x = 1,627,187.89 × 961,238.90
  4. Step 4: Simplify right side
    1,179,405.36x = 1,564,116,291,791.18
  5. Step 5: Solve for x
    x = 1,564,116,291,791.18/1,179,405.36
  6. Step 6: Final answer
    x = 1,326,190.59

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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.