Home / 741,649.86-1,023,496.83-454,999.77

Finding the Fourth Proportional to 741,649.86, 1,023,496.83 and 454,999.77

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Solution

The fourth proportional to 741,649.86, 1,023,496.83 and 454,999.77 is: 627,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,649.86 : 1,023,496.83 = 454,999.77 : x
  2. Step 2: Convert to fraction form
    741,649.86/1,023,496.83 = 454,999.77/x
  3. Step 3: Cross multiply
    741,649.86x = 1,023,496.83 × 454,999.77
  4. Step 4: Simplify right side
    741,649.86x = 465,690,822,245.73
  5. Step 5: Solve for x
    x = 465,690,822,245.73/741,649.86
  6. Step 6: Final answer
    x = 627,911.97

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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.