Home / 483,858.57-667,687.01-268,985.55

Finding the Fourth Proportional to 483,858.57, 667,687.01 and 268,985.55

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Solution

The fourth proportional to 483,858.57, 667,687.01 and 268,985.55 is: 371,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,858.57 : 667,687.01 = 268,985.55 : x
  2. Step 2: Convert to fraction form
    483,858.57/667,687.01 = 268,985.55/x
  3. Step 3: Cross multiply
    483,858.57x = 667,687.01 × 268,985.55
  4. Step 4: Simplify right side
    483,858.57x = 179,598,156,267.78
  5. Step 5: Solve for x
    x = 179,598,156,267.78/483,858.57
  6. Step 6: Final answer
    x = 371,179.03

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1.5x scale

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.