Home / 1,256,725.72-1,734,229.68-683,768.17

Finding the Fourth Proportional to 1,256,725.72, 1,734,229.68 and 683,768.17

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Solution

The fourth proportional to 1,256,725.72, 1,734,229.68 and 683,768.17 is: 943,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,725.72 : 1,734,229.68 = 683,768.17 : x
  2. Step 2: Convert to fraction form
    1,256,725.72/1,734,229.68 = 683,768.17/x
  3. Step 3: Cross multiply
    1,256,725.72x = 1,734,229.68 × 683,768.17
  4. Step 4: Simplify right side
    1,256,725.72x = 1,185,811,044,501.90
  5. Step 5: Solve for x
    x = 1,185,811,044,501.90/1,256,725.72
  6. Step 6: Final answer
    x = 943,571.88

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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.