Home / 1,181,128.20-1,771,692.30-827,233.80

Finding the Fourth Proportional to 1,181,128.20, 1,771,692.30 and 827,233.80

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Solution

The fourth proportional to 1,181,128.20, 1,771,692.30 and 827,233.80 is: 1,240,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,128.20 : 1,771,692.30 = 827,233.80 : x
  2. Step 2: Convert to fraction form
    1,181,128.20/1,771,692.30 = 827,233.80/x
  3. Step 3: Cross multiply
    1,181,128.20x = 1,771,692.30 × 827,233.80
  4. Step 4: Simplify right side
    1,181,128.20x = 1,465,603,753,759.74
  5. Step 5: Solve for x
    x = 1,465,603,753,759.74/1,181,128.20
  6. Step 6: Final answer
    x = 1,240,850.70

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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.