Home / 667,481.94-1,000,523.07-312,196.50

Finding the Fourth Proportional to 667,481.94, 1,000,523.07 and 312,196.50

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Solution

The fourth proportional to 667,481.94, 1,000,523.07 and 312,196.50 is: 467,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,481.94 : 1,000,523.07 = 312,196.50 : x
  2. Step 2: Convert to fraction form
    667,481.94/1,000,523.07 = 312,196.50/x
  3. Step 3: Cross multiply
    667,481.94x = 1,000,523.07 × 312,196.50
  4. Step 4: Simplify right side
    667,481.94x = 312,359,800,623.26
  5. Step 5: Solve for x
    x = 312,359,800,623.26/667,481.94
  6. Step 6: Final answer
    x = 467,967.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.