Home / 481,243.32-721,616.04-211,260.96

Finding the Fourth Proportional to 481,243.32, 721,616.04 and 211,260.96

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Solution

The fourth proportional to 481,243.32, 721,616.04 and 211,260.96 is: 316,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,243.32 : 721,616.04 = 211,260.96 : x
  2. Step 2: Convert to fraction form
    481,243.32/721,616.04 = 211,260.96/x
  3. Step 3: Cross multiply
    481,243.32x = 721,616.04 × 211,260.96
  4. Step 4: Simplify right side
    481,243.32x = 152,449,297,361.80
  5. Step 5: Solve for x
    x = 152,449,297,361.80/481,243.32
  6. Step 6: Final answer
    x = 316,782.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.