Home / 483,231.56-666,841.20-268,385.40

Finding the Fourth Proportional to 483,231.56, 666,841.20 and 268,385.40

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Solution

The fourth proportional to 483,231.56, 666,841.20 and 268,385.40 is: 370,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,231.56 : 666,841.20 = 268,385.40 : x
  2. Step 2: Convert to fraction form
    483,231.56/666,841.20 = 268,385.40/x
  3. Step 3: Cross multiply
    483,231.56x = 666,841.20 × 268,385.40
  4. Step 4: Simplify right side
    483,231.56x = 178,970,442,198.48
  5. Step 5: Solve for x
    x = 178,970,442,198.48/483,231.56
  6. Step 6: Final answer
    x = 370,361.66

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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.