Home / 625,272.72-862,873.32-338,792.76

Finding the Fourth Proportional to 625,272.72, 862,873.32 and 338,792.76

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Solution

The fourth proportional to 625,272.72, 862,873.32 and 338,792.76 is: 467,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,272.72 : 862,873.32 = 338,792.76 : x
  2. Step 2: Convert to fraction form
    625,272.72/862,873.32 = 338,792.76/x
  3. Step 3: Cross multiply
    625,272.72x = 862,873.32 × 338,792.76
  4. Step 4: Simplify right side
    625,272.72x = 292,335,233,613.16
  5. Step 5: Solve for x
    x = 292,335,233,613.16/625,272.72
  6. Step 6: Final answer
    x = 467,532.37

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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.