Home / 1,203,817.72-1,661,257.84-659,943.62

Finding the Fourth Proportional to 1,203,817.72, 1,661,257.84 and 659,943.62

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Solution

The fourth proportional to 1,203,817.72, 1,661,257.84 and 659,943.62 is: 910,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,817.72 : 1,661,257.84 = 659,943.62 : x
  2. Step 2: Convert to fraction form
    1,203,817.72/1,661,257.84 = 659,943.62/x
  3. Step 3: Cross multiply
    1,203,817.72x = 1,661,257.84 × 659,943.62
  4. Step 4: Simplify right side
    1,203,817.72x = 1,096,336,512,682.98
  5. Step 5: Solve for x
    x = 1,096,336,512,682.98/1,203,817.72
  6. Step 6: Final answer
    x = 910,716.38

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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.