Home / 383,435.33-529,171.20-211,383.87

Finding the Fourth Proportional to 383,435.33, 529,171.20 and 211,383.87

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Solution

The fourth proportional to 383,435.33, 529,171.20 and 211,383.87 is: 291,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,435.33 : 529,171.20 = 211,383.87 : x
  2. Step 2: Convert to fraction form
    383,435.33/529,171.20 = 211,383.87/x
  3. Step 3: Cross multiply
    383,435.33x = 529,171.20 × 211,383.87
  4. Step 4: Simplify right side
    383,435.33x = 111,858,254,164.15
  5. Step 5: Solve for x
    x = 111,858,254,164.15/383,435.33
  6. Step 6: Final answer
    x = 291,726.52

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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.