Home / 381,441.10-571,505.55-248,252.80

Finding the Fourth Proportional to 381,441.10, 571,505.55 and 248,252.80

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Solution

The fourth proportional to 381,441.10, 571,505.55 and 248,252.80 is: 371,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,441.10 : 571,505.55 = 248,252.80 : x
  2. Step 2: Convert to fraction form
    381,441.10/571,505.55 = 248,252.80/x
  3. Step 3: Cross multiply
    381,441.10x = 571,505.55 × 248,252.80
  4. Step 4: Simplify right side
    381,441.10x = 141,877,853,003.04
  5. Step 5: Solve for x
    x = 141,877,853,003.04/381,441.10
  6. Step 6: Final answer
    x = 371,952.19

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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.