Home / 383,535.18-529,256.97-211,447.44

Finding the Fourth Proportional to 383,535.18, 529,256.97 and 211,447.44

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Solution

The fourth proportional to 383,535.18, 529,256.97 and 211,447.44 is: 291,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,535.18 : 529,256.97 = 211,447.44 : x
  2. Step 2: Convert to fraction form
    383,535.18/529,256.97 = 211,447.44/x
  3. Step 3: Cross multiply
    383,535.18x = 529,256.97 × 211,447.44
  4. Step 4: Simplify right side
    383,535.18x = 111,910,031,408.66
  5. Step 5: Solve for x
    x = 111,910,031,408.66/383,535.18
  6. Step 6: Final answer
    x = 291,785.57

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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.