Home / 1,256,659.86-1,734,198.12-683,704.11

Finding the Fourth Proportional to 1,256,659.86, 1,734,198.12 and 683,704.11

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Solution

The fourth proportional to 1,256,659.86, 1,734,198.12 and 683,704.11 is: 943,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,659.86 : 1,734,198.12 = 683,704.11 : x
  2. Step 2: Convert to fraction form
    1,256,659.86/1,734,198.12 = 683,704.11/x
  3. Step 3: Cross multiply
    1,256,659.86x = 1,734,198.12 × 683,704.11
  4. Step 4: Simplify right side
    1,256,659.86x = 1,185,678,382,198.27
  5. Step 5: Solve for x
    x = 1,185,678,382,198.27/1,256,659.86
  6. Step 6: Final answer
    x = 943,515.76

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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.