Home / 383,674.20-529,453.98-213,906.84

Finding the Fourth Proportional to 383,674.20, 529,453.98 and 213,906.84

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Solution

The fourth proportional to 383,674.20, 529,453.98 and 213,906.84 is: 295,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,674.20 : 529,453.98 = 213,906.84 : x
  2. Step 2: Convert to fraction form
    383,674.20/529,453.98 = 213,906.84/x
  3. Step 3: Cross multiply
    383,674.20x = 529,453.98 × 213,906.84
  4. Step 4: Simplify right side
    383,674.20x = 113,253,827,787.22
  5. Step 5: Solve for x
    x = 113,253,827,787.22/383,674.20
  6. Step 6: Final answer
    x = 295,182.29

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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.