Home / 1,256,660.42-1,734,198.92-683,704.68

Finding the Fourth Proportional to 1,256,660.42, 1,734,198.92 and 683,704.68

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Solution

The fourth proportional to 1,256,660.42, 1,734,198.92 and 683,704.68 is: 943,516.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,660.42 : 1,734,198.92 = 683,704.68 : x
  2. Step 2: Convert to fraction form
    1,256,660.42/1,734,198.92 = 683,704.68/x
  3. Step 3: Cross multiply
    1,256,660.42x = 1,734,198.92 × 683,704.68
  4. Step 4: Simplify right side
    1,256,660.42x = 1,185,679,914,236.42
  5. Step 5: Solve for x
    x = 1,185,679,914,236.42/1,256,660.42
  6. Step 6: Final answer
    x = 943,516.56

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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.