Home / 1,203,811.09-1,661,259.07-659,950.73

Finding the Fourth Proportional to 1,203,811.09, 1,661,259.07 and 659,950.73

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Solution

The fourth proportional to 1,203,811.09, 1,661,259.07 and 659,950.73 is: 910,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,811.09 : 1,661,259.07 = 659,950.73 : x
  2. Step 2: Convert to fraction form
    1,203,811.09/1,661,259.07 = 659,950.73/x
  3. Step 3: Cross multiply
    1,203,811.09x = 1,661,259.07 × 659,950.73
  4. Step 4: Simplify right side
    1,203,811.09x = 1,096,349,135,965.62
  5. Step 5: Solve for x
    x = 1,096,349,135,965.62/1,203,811.09
  6. Step 6: Final answer
    x = 910,731.88

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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.