Home / 383,336.22-529,027.10-211,253.73

Finding the Fourth Proportional to 383,336.22, 529,027.10 and 211,253.73

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Solution

The fourth proportional to 383,336.22, 529,027.10 and 211,253.73 is: 291,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,336.22 : 529,027.10 = 211,253.73 : x
  2. Step 2: Convert to fraction form
    383,336.22/529,027.10 = 211,253.73/x
  3. Step 3: Cross multiply
    383,336.22x = 529,027.10 × 211,253.73
  4. Step 4: Simplify right side
    383,336.22x = 111,758,946,823.52
  5. Step 5: Solve for x
    x = 111,758,946,823.52/383,336.22
  6. Step 6: Final answer
    x = 291,542.88

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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.