Home / 1,101,815.69-1,520,508.82-611,786.27

Finding the Fourth Proportional to 1,101,815.69, 1,520,508.82 and 611,786.27

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Solution

The fourth proportional to 1,101,815.69, 1,520,508.82 and 611,786.27 is: 844,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,815.69 : 1,520,508.82 = 611,786.27 : x
  2. Step 2: Convert to fraction form
    1,101,815.69/1,520,508.82 = 611,786.27/x
  3. Step 3: Cross multiply
    1,101,815.69x = 1,520,508.82 × 611,786.27
  4. Step 4: Simplify right side
    1,101,815.69x = 930,226,419,489.90
  5. Step 5: Solve for x
    x = 930,226,419,489.90/1,101,815.69
  6. Step 6: Final answer
    x = 844,266.81

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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.