Home / 1,773,193.20-2,659,789.80-1,213,321.20

Finding the Fourth Proportional to 1,773,193.20, 2,659,789.80 and 1,213,321.20

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Solution

The fourth proportional to 1,773,193.20, 2,659,789.80 and 1,213,321.20 is: 1,819,981.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,193.20 : 2,659,789.80 = 1,213,321.20 : x
  2. Step 2: Convert to fraction form
    1,773,193.20/2,659,789.80 = 1,213,321.20/x
  3. Step 3: Cross multiply
    1,773,193.20x = 2,659,789.80 × 1,213,321.20
  4. Step 4: Simplify right side
    1,773,193.20x = 3,227,179,351,883.76
  5. Step 5: Solve for x
    x = 3,227,179,351,883.76/1,773,193.20
  6. Step 6: Final answer
    x = 1,819,981.80

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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.