Home / 1,256,716.77-1,734,217.32-683,759.22

Finding the Fourth Proportional to 1,256,716.77, 1,734,217.32 and 683,759.22

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Solution

The fourth proportional to 1,256,716.77, 1,734,217.32 and 683,759.22 is: 943,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,716.77 : 1,734,217.32 = 683,759.22 : x
  2. Step 2: Convert to fraction form
    1,256,716.77/1,734,217.32 = 683,759.22/x
  3. Step 3: Cross multiply
    1,256,716.77x = 1,734,217.32 × 683,759.22
  4. Step 4: Simplify right side
    1,256,716.77x = 1,185,787,082,033.69
  5. Step 5: Solve for x
    x = 1,185,787,082,033.69/1,256,716.77
  6. Step 6: Final answer
    x = 943,559.53

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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.