Home / 383,851.40-529,961.46-240,807.56

Finding the Fourth Proportional to 383,851.40, 529,961.46 and 240,807.56

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Solution

The fourth proportional to 383,851.40, 529,961.46 and 240,807.56 is: 332,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,851.40 : 529,961.46 = 240,807.56 : x
  2. Step 2: Convert to fraction form
    383,851.40/529,961.46 = 240,807.56/x
  3. Step 3: Cross multiply
    383,851.40x = 529,961.46 × 240,807.56
  4. Step 4: Simplify right side
    383,851.40x = 127,618,726,076.64
  5. Step 5: Solve for x
    x = 127,618,726,076.64/383,851.40
  6. Step 6: Final answer
    x = 332,469.09

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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.