Home / 1,256,659.91-1,734,198.22-683,704.18

Finding the Fourth Proportional to 1,256,659.91, 1,734,198.22 and 683,704.18

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Solution

The fourth proportional to 1,256,659.91, 1,734,198.22 and 683,704.18 is: 943,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,659.91 : 1,734,198.22 = 683,704.18 : x
  2. Step 2: Convert to fraction form
    1,256,659.91/1,734,198.22 = 683,704.18/x
  3. Step 3: Cross multiply
    1,256,659.91x = 1,734,198.22 × 683,704.18
  4. Step 4: Simplify right side
    1,256,659.91x = 1,185,678,571,962.56
  5. Step 5: Solve for x
    x = 1,185,678,571,962.56/1,256,659.91
  6. Step 6: Final answer
    x = 943,515.87

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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.