Home / 551,975.38-827,963.10-172,899.29

Finding the Fourth Proportional to 551,975.38, 827,963.10 and 172,899.29

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Solution

The fourth proportional to 551,975.38, 827,963.10 and 172,899.29 is: 259,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,975.38 : 827,963.10 = 172,899.29 : x
  2. Step 2: Convert to fraction form
    551,975.38/827,963.10 = 172,899.29/x
  3. Step 3: Cross multiply
    551,975.38x = 827,963.10 × 172,899.29
  4. Step 4: Simplify right side
    551,975.38x = 143,154,234,206.11
  5. Step 5: Solve for x
    x = 143,154,234,206.11/551,975.38
  6. Step 6: Final answer
    x = 259,348.95

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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.