Home / 726,474.20-1,090,100.10-327,176.60

Finding the Fourth Proportional to 726,474.20, 1,090,100.10 and 327,176.60

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Solution

The fourth proportional to 726,474.20, 1,090,100.10 and 327,176.60 is: 490,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,474.20 : 1,090,100.10 = 327,176.60 : x
  2. Step 2: Convert to fraction form
    726,474.20/1,090,100.10 = 327,176.60/x
  3. Step 3: Cross multiply
    726,474.20x = 1,090,100.10 × 327,176.60
  4. Step 4: Simplify right side
    726,474.20x = 356,655,244,377.66
  5. Step 5: Solve for x
    x = 356,655,244,377.66/726,474.20
  6. Step 6: Final answer
    x = 490,940.00

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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.