Home / 646,145.28-969,217.62-172,818.33

Finding the Fourth Proportional to 646,145.28, 969,217.62 and 172,818.33

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Solution

The fourth proportional to 646,145.28, 969,217.62 and 172,818.33 is: 259,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,145.28 : 969,217.62 = 172,818.33 : x
  2. Step 2: Convert to fraction form
    646,145.28/969,217.62 = 172,818.33/x
  3. Step 3: Cross multiply
    646,145.28x = 969,217.62 × 172,818.33
  4. Step 4: Simplify right side
    646,145.28x = 167,498,570,494.98
  5. Step 5: Solve for x
    x = 167,498,570,494.98/646,145.28
  6. Step 6: Final answer
    x = 259,227.41

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Double scale
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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.