Home / 1,227,661.36-1,694,218.68-676,399.72

Finding the Fourth Proportional to 1,227,661.36, 1,694,218.68 and 676,399.72

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Solution

The fourth proportional to 1,227,661.36, 1,694,218.68 and 676,399.72 is: 933,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,661.36 : 1,694,218.68 = 676,399.72 : x
  2. Step 2: Convert to fraction form
    1,227,661.36/1,694,218.68 = 676,399.72/x
  3. Step 3: Cross multiply
    1,227,661.36x = 1,694,218.68 × 676,399.72
  4. Step 4: Simplify right side
    1,227,661.36x = 1,145,969,040,770.77
  5. Step 5: Solve for x
    x = 1,145,969,040,770.77/1,227,661.36
  6. Step 6: Final answer
    x = 933,456.96

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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.