Home / 1,215,764.72-1,824,172-654,687.44

Finding the Fourth Proportional to 1,215,764.72, 1,824,172 and 654,687.44

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Solution

The fourth proportional to 1,215,764.72, 1,824,172 and 654,687.44 is: 982,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,764.72 : 1,824,172 = 654,687.44 : x
  2. Step 2: Convert to fraction form
    1,215,764.72/1,824,172 = 654,687.44/x
  3. Step 3: Cross multiply
    1,215,764.72x = 1,824,172 × 654,687.44
  4. Step 4: Simplify right side
    1,215,764.72x = 1,194,262,496,799.68
  5. Step 5: Solve for x
    x = 1,194,262,496,799.68/1,215,764.72
  6. Step 6: Final answer
    x = 982,313.83

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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.