Home / 1,412,867.77-1,954,891.73-1,231,956.70

Finding the Fourth Proportional to 1,412,867.77, 1,954,891.73 and 1,231,956.70

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Solution

The fourth proportional to 1,412,867.77, 1,954,891.73 and 1,231,956.70 is: 1,704,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,867.77 : 1,954,891.73 = 1,231,956.70 : x
  2. Step 2: Convert to fraction form
    1,412,867.77/1,954,891.73 = 1,231,956.70/x
  3. Step 3: Cross multiply
    1,412,867.77x = 1,954,891.73 × 1,231,956.70
  4. Step 4: Simplify right side
    1,412,867.77x = 2,408,341,964,548.09
  5. Step 5: Solve for x
    x = 2,408,341,964,548.09/1,412,867.77
  6. Step 6: Final answer
    x = 1,704,577.04

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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.