Home / 370,543.28-511,359.20-227,382.44

Finding the Fourth Proportional to 370,543.28, 511,359.20 and 227,382.44

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Solution

The fourth proportional to 370,543.28, 511,359.20 and 227,382.44 is: 313,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,543.28 : 511,359.20 = 227,382.44 : x
  2. Step 2: Convert to fraction form
    370,543.28/511,359.20 = 227,382.44/x
  3. Step 3: Cross multiply
    370,543.28x = 511,359.20 × 227,382.44
  4. Step 4: Simplify right side
    370,543.28x = 116,274,102,612.45
  5. Step 5: Solve for x
    x = 116,274,102,612.45/370,543.28
  6. Step 6: Final answer
    x = 313,793.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.