Home / 741,649.62-1,023,496.48-454,999.52

Finding the Fourth Proportional to 741,649.62, 1,023,496.48 and 454,999.52

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Solution

The fourth proportional to 741,649.62, 1,023,496.48 and 454,999.52 is: 627,911.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,649.62 : 1,023,496.48 = 454,999.52 : x
  2. Step 2: Convert to fraction form
    741,649.62/1,023,496.48 = 454,999.52/x
  3. Step 3: Cross multiply
    741,649.62x = 1,023,496.48 × 454,999.52
  4. Step 4: Simplify right side
    741,649.62x = 465,690,407,121.69
  5. Step 5: Solve for x
    x = 465,690,407,121.69/741,649.62
  6. Step 6: Final answer
    x = 627,911.61

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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.