Home / 1,179,134.20-1,768,701.30-818,327.80

Finding the Fourth Proportional to 1,179,134.20, 1,768,701.30 and 818,327.80

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Solution

The fourth proportional to 1,179,134.20, 1,768,701.30 and 818,327.80 is: 1,227,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,134.20 : 1,768,701.30 = 818,327.80 : x
  2. Step 2: Convert to fraction form
    1,179,134.20/1,768,701.30 = 818,327.80/x
  3. Step 3: Cross multiply
    1,179,134.20x = 1,768,701.30 × 818,327.80
  4. Step 4: Simplify right side
    1,179,134.20x = 1,447,377,443,686.14
  5. Step 5: Solve for x
    x = 1,447,377,443,686.14/1,179,134.20
  6. Step 6: Final answer
    x = 1,227,491.70

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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.