Home / 814,359.60-1,221,685.20-341,092.80

Finding the Fourth Proportional to 814,359.60, 1,221,685.20 and 341,092.80

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Solution

The fourth proportional to 814,359.60, 1,221,685.20 and 341,092.80 is: 511,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,359.60 : 1,221,685.20 = 341,092.80 : x
  2. Step 2: Convert to fraction form
    814,359.60/1,221,685.20 = 341,092.80/x
  3. Step 3: Cross multiply
    814,359.60x = 1,221,685.20 × 341,092.80
  4. Step 4: Simplify right side
    814,359.60x = 416,708,025,586.56
  5. Step 5: Solve for x
    x = 416,708,025,586.56/814,359.60
  6. Step 6: Final answer
    x = 511,700.27

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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.