Home / 949,628.92-1,310,489.22-519,912.04

Finding the Fourth Proportional to 949,628.92, 1,310,489.22 and 519,912.04

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Solution

The fourth proportional to 949,628.92, 1,310,489.22 and 519,912.04 is: 717,479.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,628.92 : 1,310,489.22 = 519,912.04 : x
  2. Step 2: Convert to fraction form
    949,628.92/1,310,489.22 = 519,912.04/x
  3. Step 3: Cross multiply
    949,628.92x = 1,310,489.22 × 519,912.04
  4. Step 4: Simplify right side
    949,628.92x = 681,339,123,768.21
  5. Step 5: Solve for x
    x = 681,339,123,768.21/949,628.92
  6. Step 6: Final answer
    x = 717,479.33

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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.