Home / 1,222,917.97-1,826,142.07-998,723.47

Finding the Fourth Proportional to 1,222,917.97, 1,826,142.07 and 998,723.47

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Solution

The fourth proportional to 1,222,917.97, 1,826,142.07 and 998,723.47 is: 1,491,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,917.97 : 1,826,142.07 = 998,723.47 : x
  2. Step 2: Convert to fraction form
    1,222,917.97/1,826,142.07 = 998,723.47/x
  3. Step 3: Cross multiply
    1,222,917.97x = 1,826,142.07 × 998,723.47
  4. Step 4: Simplify right side
    1,222,917.97x = 1,823,810,939,869.77
  5. Step 5: Solve for x
    x = 1,823,810,939,869.77/1,222,917.97
  6. Step 6: Final answer
    x = 1,491,360.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.