Home / 548,086.32-822,128.40-206,593.56

Finding the Fourth Proportional to 548,086.32, 822,128.40 and 206,593.56

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Solution

The fourth proportional to 548,086.32, 822,128.40 and 206,593.56 is: 309,889.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,086.32 : 822,128.40 = 206,593.56 : x
  2. Step 2: Convert to fraction form
    548,086.32/822,128.40 = 206,593.56/x
  3. Step 3: Cross multiply
    548,086.32x = 822,128.40 × 206,593.56
  4. Step 4: Simplify right side
    548,086.32x = 169,846,432,933.10
  5. Step 5: Solve for x
    x = 169,846,432,933.10/548,086.32
  6. Step 6: Final answer
    x = 309,889.93

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1.5x scale

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.