Home / 1,143,249.12-1,577,659.68-633,940.56

Finding the Fourth Proportional to 1,143,249.12, 1,577,659.68 and 633,940.56

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Solution

The fourth proportional to 1,143,249.12, 1,577,659.68 and 633,940.56 is: 874,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,249.12 : 1,577,659.68 = 633,940.56 : x
  2. Step 2: Convert to fraction form
    1,143,249.12/1,577,659.68 = 633,940.56/x
  3. Step 3: Cross multiply
    1,143,249.12x = 1,577,659.68 × 633,940.56
  4. Step 4: Simplify right side
    1,143,249.12x = 1,000,142,461,028.62
  5. Step 5: Solve for x
    x = 1,000,142,461,028.62/1,143,249.12
  6. Step 6: Final answer
    x = 874,824.61

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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.