Home / 1,171,424.88-1,755,601.56-666,218.16

Finding the Fourth Proportional to 1,171,424.88, 1,755,601.56 and 666,218.16

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Solution

The fourth proportional to 1,171,424.88, 1,755,601.56 and 666,218.16 is: 998,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,424.88 : 1,755,601.56 = 666,218.16 : x
  2. Step 2: Convert to fraction form
    1,171,424.88/1,755,601.56 = 666,218.16/x
  3. Step 3: Cross multiply
    1,171,424.88x = 1,755,601.56 × 666,218.16
  4. Step 4: Simplify right side
    1,171,424.88x = 1,169,613,640,996.33
  5. Step 5: Solve for x
    x = 1,169,613,640,996.33/1,171,424.88
  6. Step 6: Final answer
    x = 998,453.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.