Home / 1,200,776.70-1,799,382.42-667,564.14

Finding the Fourth Proportional to 1,200,776.70, 1,799,382.42 and 667,564.14

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Solution

The fourth proportional to 1,200,776.70, 1,799,382.42 and 667,564.14 is: 1,000,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,776.70 : 1,799,382.42 = 667,564.14 : x
  2. Step 2: Convert to fraction form
    1,200,776.70/1,799,382.42 = 667,564.14/x
  3. Step 3: Cross multiply
    1,200,776.70x = 1,799,382.42 × 667,564.14
  4. Step 4: Simplify right side
    1,200,776.70x = 1,201,203,177,738.42
  5. Step 5: Solve for x
    x = 1,201,203,177,738.42/1,200,776.70
  6. Step 6: Final answer
    x = 1,000,355.17

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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.