Home / 383,354.64-529,033.07-211,278.85

Finding the Fourth Proportional to 383,354.64, 529,033.07 and 211,278.85

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Solution

The fourth proportional to 383,354.64, 529,033.07 and 211,278.85 is: 291,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,354.64 : 529,033.07 = 211,278.85 : x
  2. Step 2: Convert to fraction form
    383,354.64/529,033.07 = 211,278.85/x
  3. Step 3: Cross multiply
    383,354.64x = 529,033.07 × 211,278.85
  4. Step 4: Simplify right side
    383,354.64x = 111,773,497,847.18
  5. Step 5: Solve for x
    x = 111,773,497,847.18/383,354.64
  6. Step 6: Final answer
    x = 291,566.83

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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.