Home / 439,517.84-659,292.96-123,983.18

Finding the Fourth Proportional to 439,517.84, 659,292.96 and 123,983.18

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Solution

The fourth proportional to 439,517.84, 659,292.96 and 123,983.18 is: 185,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,517.84 : 659,292.96 = 123,983.18 : x
  2. Step 2: Convert to fraction form
    439,517.84/659,292.96 = 123,983.18/x
  3. Step 3: Cross multiply
    439,517.84x = 659,292.96 × 123,983.18
  4. Step 4: Simplify right side
    439,517.84x = 81,741,237,732.41
  5. Step 5: Solve for x
    x = 81,741,237,732.41/439,517.84
  6. Step 6: Final answer
    x = 185,979.34

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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.