Home / 557,629.20-836,443.80-202,654.80

Finding the Fourth Proportional to 557,629.20, 836,443.80 and 202,654.80

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Solution

The fourth proportional to 557,629.20, 836,443.80 and 202,654.80 is: 303,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,629.20 : 836,443.80 = 202,654.80 : x
  2. Step 2: Convert to fraction form
    557,629.20/836,443.80 = 202,654.80/x
  3. Step 3: Cross multiply
    557,629.20x = 836,443.80 × 202,654.80
  4. Step 4: Simplify right side
    557,629.20x = 169,509,351,000.24
  5. Step 5: Solve for x
    x = 169,509,351,000.24/557,629.20
  6. Step 6: Final answer
    x = 303,982.20

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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.