Home / 654,715.62-982,313.30-275,731.75

Finding the Fourth Proportional to 654,715.62, 982,313.30 and 275,731.75

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Solution

The fourth proportional to 654,715.62, 982,313.30 and 275,731.75 is: 413,698.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,715.62 : 982,313.30 = 275,731.75 : x
  2. Step 2: Convert to fraction form
    654,715.62/982,313.30 = 275,731.75/x
  3. Step 3: Cross multiply
    654,715.62x = 982,313.30 × 275,731.75
  4. Step 4: Simplify right side
    654,715.62x = 270,854,963,490.82
  5. Step 5: Solve for x
    x = 270,854,963,490.82/654,715.62
  6. Step 6: Final answer
    x = 413,698.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.