Home / 439,309.32-606,247.38-238,105.32

Finding the Fourth Proportional to 439,309.32, 606,247.38 and 238,105.32

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Solution

The fourth proportional to 439,309.32, 606,247.38 and 238,105.32 is: 328,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,309.32 : 606,247.38 = 238,105.32 : x
  2. Step 2: Convert to fraction form
    439,309.32/606,247.38 = 238,105.32/x
  3. Step 3: Cross multiply
    439,309.32x = 606,247.38 × 238,105.32
  4. Step 4: Simplify right side
    439,309.32x = 144,350,726,414.06
  5. Step 5: Solve for x
    x = 144,350,726,414.06/439,309.32
  6. Step 6: Final answer
    x = 328,585.62

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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.