Home / 809,380.93-1,213,786.35-269,490.61

Finding the Fourth Proportional to 809,380.93, 1,213,786.35 and 269,490.61

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Solution

The fourth proportional to 809,380.93, 1,213,786.35 and 269,490.61 is: 404,141.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,380.93 : 1,213,786.35 = 269,490.61 : x
  2. Step 2: Convert to fraction form
    809,380.93/1,213,786.35 = 269,490.61/x
  3. Step 3: Cross multiply
    809,380.93x = 1,213,786.35 × 269,490.61
  4. Step 4: Simplify right side
    809,380.93x = 327,104,023,871.17
  5. Step 5: Solve for x
    x = 327,104,023,871.17/809,380.93
  6. Step 6: Final answer
    x = 404,141.01

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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.