Home / 1,805,589.62-2,708,738.72-668,361.77

Finding the Fourth Proportional to 1,805,589.62, 2,708,738.72 and 668,361.77

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Solution

The fourth proportional to 1,805,589.62, 2,708,738.72 and 668,361.77 is: 1,002,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,589.62 : 2,708,738.72 = 668,361.77 : x
  2. Step 2: Convert to fraction form
    1,805,589.62/2,708,738.72 = 668,361.77/x
  3. Step 3: Cross multiply
    1,805,589.62x = 2,708,738.72 × 668,361.77
  4. Step 4: Simplify right side
    1,805,589.62x = 1,810,417,388,481.23
  5. Step 5: Solve for x
    x = 1,810,417,388,481.23/1,805,589.62
  6. Step 6: Final answer
    x = 1,002,673.79

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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.