Home / 1,165,960.80-1,609,140.64-682,496.64

Finding the Fourth Proportional to 1,165,960.80, 1,609,140.64 and 682,496.64

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Solution

The fourth proportional to 1,165,960.80, 1,609,140.64 and 682,496.64 is: 941,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,960.80 : 1,609,140.64 = 682,496.64 : x
  2. Step 2: Convert to fraction form
    1,165,960.80/1,609,140.64 = 682,496.64/x
  3. Step 3: Cross multiply
    1,165,960.80x = 1,609,140.64 × 682,496.64
  4. Step 4: Simplify right side
    1,165,960.80x = 1,098,233,080,087.45
  5. Step 5: Solve for x
    x = 1,098,233,080,087.45/1,165,960.80
  6. Step 6: Final answer
    x = 941,912.52

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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.