Home / 537,974.20-806,961.30-328,022.20

Finding the Fourth Proportional to 537,974.20, 806,961.30 and 328,022.20

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Solution

The fourth proportional to 537,974.20, 806,961.30 and 328,022.20 is: 492,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,974.20 : 806,961.30 = 328,022.20 : x
  2. Step 2: Convert to fraction form
    537,974.20/806,961.30 = 328,022.20/x
  3. Step 3: Cross multiply
    537,974.20x = 806,961.30 × 328,022.20
  4. Step 4: Simplify right side
    537,974.20x = 264,701,220,940.86
  5. Step 5: Solve for x
    x = 264,701,220,940.86/537,974.20
  6. Step 6: Final answer
    x = 492,033.30

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Double scale
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Similar ratio
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1.5x scale

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.