Home / 1,753,783.20-2,629,216.80-743,680.80

Finding the Fourth Proportional to 1,753,783.20, 2,629,216.80 and 743,680.80

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Solution

The fourth proportional to 1,753,783.20, 2,629,216.80 and 743,680.80 is: 1,114,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,783.20 : 2,629,216.80 = 743,680.80 : x
  2. Step 2: Convert to fraction form
    1,753,783.20/2,629,216.80 = 743,680.80/x
  3. Step 3: Cross multiply
    1,753,783.20x = 2,629,216.80 × 743,680.80
  4. Step 4: Simplify right side
    1,753,783.20x = 1,955,298,053,197.44
  5. Step 5: Solve for x
    x = 1,955,298,053,197.44/1,753,783.20
  6. Step 6: Final answer
    x = 1,114,902.94

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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.