Home / 362,720.20-544,080.30-323,321.80

Finding the Fourth Proportional to 362,720.20, 544,080.30 and 323,321.80

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Solution

The fourth proportional to 362,720.20, 544,080.30 and 323,321.80 is: 484,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,720.20 : 544,080.30 = 323,321.80 : x
  2. Step 2: Convert to fraction form
    362,720.20/544,080.30 = 323,321.80/x
  3. Step 3: Cross multiply
    362,720.20x = 544,080.30 × 323,321.80
  4. Step 4: Simplify right side
    362,720.20x = 175,913,021,940.54
  5. Step 5: Solve for x
    x = 175,913,021,940.54/362,720.20
  6. Step 6: Final answer
    x = 484,982.70

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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.