Home / 483,984.78-667,871.57-269,120.24

Finding the Fourth Proportional to 483,984.78, 667,871.57 and 269,120.24

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Solution

The fourth proportional to 483,984.78, 667,871.57 and 269,120.24 is: 371,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,984.78 : 667,871.57 = 269,120.24 : x
  2. Step 2: Convert to fraction form
    483,984.78/667,871.57 = 269,120.24/x
  3. Step 3: Cross multiply
    483,984.78x = 667,871.57 × 269,120.24
  4. Step 4: Simplify right side
    483,984.78x = 179,737,754,410.25
  5. Step 5: Solve for x
    x = 179,737,754,410.25/483,984.78
  6. Step 6: Final answer
    x = 371,370.67

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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.