Home / 587,892.33-811,464.08-383,974.43

Finding the Fourth Proportional to 587,892.33, 811,464.08 and 383,974.43

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Solution

The fourth proportional to 587,892.33, 811,464.08 and 383,974.43 is: 529,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,892.33 : 811,464.08 = 383,974.43 : x
  2. Step 2: Convert to fraction form
    587,892.33/811,464.08 = 383,974.43/x
  3. Step 3: Cross multiply
    587,892.33x = 811,464.08 × 383,974.43
  4. Step 4: Simplify right side
    587,892.33x = 311,581,451,606.28
  5. Step 5: Solve for x
    x = 311,581,451,606.28/587,892.33
  6. Step 6: Final answer
    x = 529,997.48

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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.