Home / 951,479.80-1,313,102.82-628,623.52

Finding the Fourth Proportional to 951,479.80, 1,313,102.82 and 628,623.52

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Solution

The fourth proportional to 951,479.80, 1,313,102.82 and 628,623.52 is: 867,540.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,479.80 : 1,313,102.82 = 628,623.52 : x
  2. Step 2: Convert to fraction form
    951,479.80/1,313,102.82 = 628,623.52/x
  3. Step 3: Cross multiply
    951,479.80x = 1,313,102.82 × 628,623.52
  4. Step 4: Simplify right side
    951,479.80x = 825,447,316,830.33
  5. Step 5: Solve for x
    x = 825,447,316,830.33/951,479.80
  6. Step 6: Final answer
    x = 867,540.56

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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.