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Finding the Fourth Proportional to 1,741,844.40, 2,611,891.80 and 794,144.40

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Solution

The fourth proportional to 1,741,844.40, 2,611,891.80 and 794,144.40 is: 1,190,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,844.40 : 2,611,891.80 = 794,144.40 : x
  2. Step 2: Convert to fraction form
    1,741,844.40/2,611,891.80 = 794,144.40/x
  3. Step 3: Cross multiply
    1,741,844.40x = 2,611,891.80 × 794,144.40
  4. Step 4: Simplify right side
    1,741,844.40x = 2,074,219,246,375.92
  5. Step 5: Solve for x
    x = 2,074,219,246,375.92/1,741,844.40
  6. Step 6: Final answer
    x = 1,190,817.76

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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.