Home / 483,232.04-667,086.87-279,243.12

Finding the Fourth Proportional to 483,232.04, 667,086.87 and 279,243.12

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Solution

The fourth proportional to 483,232.04, 667,086.87 and 279,243.12 is: 385,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,232.04 : 667,086.87 = 279,243.12 : x
  2. Step 2: Convert to fraction form
    483,232.04/667,086.87 = 279,243.12/x
  3. Step 3: Cross multiply
    483,232.04x = 667,086.87 × 279,243.12
  4. Step 4: Simplify right side
    483,232.04x = 186,279,418,889.83
  5. Step 5: Solve for x
    x = 186,279,418,889.83/483,232.04
  6. Step 6: Final answer
    x = 385,486.48

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Double scale
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Similar ratio
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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.