Home / 439,600.36-659,308.27-123,983.46

Finding the Fourth Proportional to 439,600.36, 659,308.27 and 123,983.46

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Solution

The fourth proportional to 439,600.36, 659,308.27 and 123,983.46 is: 185,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,600.36 : 659,308.27 = 123,983.46 : x
  2. Step 2: Convert to fraction form
    439,600.36/659,308.27 = 123,983.46/x
  3. Step 3: Cross multiply
    439,600.36x = 659,308.27 × 123,983.46
  4. Step 4: Simplify right side
    439,600.36x = 81,743,320,521.21
  5. Step 5: Solve for x
    x = 81,743,320,521.21/439,600.36
  6. Step 6: Final answer
    x = 185,949.17

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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.