Home / 1,040,159.05-1,560,238.58-639,500.65

Finding the Fourth Proportional to 1,040,159.05, 1,560,238.58 and 639,500.65

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Solution

The fourth proportional to 1,040,159.05, 1,560,238.58 and 639,500.65 is: 959,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,159.05 : 1,560,238.58 = 639,500.65 : x
  2. Step 2: Convert to fraction form
    1,040,159.05/1,560,238.58 = 639,500.65/x
  3. Step 3: Cross multiply
    1,040,159.05x = 1,560,238.58 × 639,500.65
  4. Step 4: Simplify right side
    1,040,159.05x = 997,773,582,867.57
  5. Step 5: Solve for x
    x = 997,773,582,867.57/1,040,159.05
  6. Step 6: Final answer
    x = 959,250.98

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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.