Home / 1,256,778.59-1,734,391.44-683,855.87

Finding the Fourth Proportional to 1,256,778.59, 1,734,391.44 and 683,855.87

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Solution

The fourth proportional to 1,256,778.59, 1,734,391.44 and 683,855.87 is: 943,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,778.59 : 1,734,391.44 = 683,855.87 : x
  2. Step 2: Convert to fraction form
    1,256,778.59/1,734,391.44 = 683,855.87/x
  3. Step 3: Cross multiply
    1,256,778.59x = 1,734,391.44 × 683,855.87
  4. Step 4: Simplify right side
    1,256,778.59x = 1,186,073,758,449.80
  5. Step 5: Solve for x
    x = 1,186,073,758,449.80/1,256,778.59
  6. Step 6: Final answer
    x = 943,741.22

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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.