Home / 1,511,778.17-2,086,236-823,447.87

Finding the Fourth Proportional to 1,511,778.17, 2,086,236 and 823,447.87

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Solution

The fourth proportional to 1,511,778.17, 2,086,236 and 823,447.87 is: 1,136,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,778.17 : 2,086,236 = 823,447.87 : x
  2. Step 2: Convert to fraction form
    1,511,778.17/2,086,236 = 823,447.87/x
  3. Step 3: Cross multiply
    1,511,778.17x = 2,086,236 × 823,447.87
  4. Step 4: Simplify right side
    1,511,778.17x = 1,717,906,585,301.73
  5. Step 5: Solve for x
    x = 1,717,906,585,301.73/1,511,778.17
  6. Step 6: Final answer
    x = 1,136,348.32

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Double scale
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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.