Home / 483,012.72-666,524.40-268,136.02

Finding the Fourth Proportional to 483,012.72, 666,524.40 and 268,136.02

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Solution

The fourth proportional to 483,012.72, 666,524.40 and 268,136.02 is: 370,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,012.72 : 666,524.40 = 268,136.02 : x
  2. Step 2: Convert to fraction form
    483,012.72/666,524.40 = 268,136.02/x
  3. Step 3: Cross multiply
    483,012.72x = 666,524.40 × 268,136.02
  4. Step 4: Simplify right side
    483,012.72x = 178,719,199,676.53
  5. Step 5: Solve for x
    x = 178,719,199,676.53/483,012.72
  6. Step 6: Final answer
    x = 370,009.30

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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.