Home / 383,701.38-529,500.66-211,635.36

Finding the Fourth Proportional to 383,701.38, 529,500.66 and 211,635.36

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Solution

The fourth proportional to 383,701.38, 529,500.66 and 211,635.36 is: 292,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,701.38 : 529,500.66 = 211,635.36 : x
  2. Step 2: Convert to fraction form
    383,701.38/529,500.66 = 211,635.36/x
  3. Step 3: Cross multiply
    383,701.38x = 529,500.66 × 211,635.36
  4. Step 4: Simplify right side
    383,701.38x = 112,061,062,799.34
  5. Step 5: Solve for x
    x = 112,061,062,799.34/383,701.38
  6. Step 6: Final answer
    x = 292,052.80

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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.