Home / 383,515.97-529,228.03-211,425.04

Finding the Fourth Proportional to 383,515.97, 529,228.03 and 211,425.04

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Solution

The fourth proportional to 383,515.97, 529,228.03 and 211,425.04 is: 291,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,515.97 : 529,228.03 = 211,425.04 : x
  2. Step 2: Convert to fraction form
    383,515.97/529,228.03 = 211,425.04/x
  3. Step 3: Cross multiply
    383,515.97x = 529,228.03 × 211,425.04
  4. Step 4: Simplify right side
    383,515.97x = 111,892,054,964.36
  5. Step 5: Solve for x
    x = 111,892,054,964.36/383,515.97
  6. Step 6: Final answer
    x = 291,753.32

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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.