Home / 1,322,115.33-1,983,173.66-872,731.17

Finding the Fourth Proportional to 1,322,115.33, 1,983,173.66 and 872,731.17

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Solution

The fourth proportional to 1,322,115.33, 1,983,173.66 and 872,731.17 is: 1,309,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,115.33 : 1,983,173.66 = 872,731.17 : x
  2. Step 2: Convert to fraction form
    1,322,115.33/1,983,173.66 = 872,731.17/x
  3. Step 3: Cross multiply
    1,322,115.33x = 1,983,173.66 × 872,731.17
  4. Step 4: Simplify right side
    1,322,115.33x = 1,730,777,468,604.98
  5. Step 5: Solve for x
    x = 1,730,777,468,604.98/1,322,115.33
  6. Step 6: Final answer
    x = 1,309,097.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.