Home / 481,133.12-721,489.48-228,486.02

Finding the Fourth Proportional to 481,133.12, 721,489.48 and 228,486.02

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Solution

The fourth proportional to 481,133.12, 721,489.48 and 228,486.02 is: 342,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,133.12 : 721,489.48 = 228,486.02 : x
  2. Step 2: Convert to fraction form
    481,133.12/721,489.48 = 228,486.02/x
  3. Step 3: Cross multiply
    481,133.12x = 721,489.48 × 228,486.02
  4. Step 4: Simplify right side
    481,133.12x = 164,850,255,578.41
  5. Step 5: Solve for x
    x = 164,850,255,578.41/481,133.12
  6. Step 6: Final answer
    x = 342,629.20

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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.