Home / 383,371.04-529,142.20-238,286.41

Finding the Fourth Proportional to 383,371.04, 529,142.20 and 238,286.41

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Solution

The fourth proportional to 383,371.04, 529,142.20 and 238,286.41 is: 328,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,371.04 : 529,142.20 = 238,286.41 : x
  2. Step 2: Convert to fraction form
    383,371.04/529,142.20 = 238,286.41/x
  3. Step 3: Cross multiply
    383,371.04x = 529,142.20 × 238,286.41
  4. Step 4: Simplify right side
    383,371.04x = 126,087,393,298.93
  5. Step 5: Solve for x
    x = 126,087,393,298.93/383,371.04
  6. Step 6: Final answer
    x = 328,891.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.