Home / 667,379.30-1,001,068.95-541,408.10

Finding the Fourth Proportional to 667,379.30, 1,001,068.95 and 541,408.10

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Solution

The fourth proportional to 667,379.30, 1,001,068.95 and 541,408.10 is: 812,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,379.30 : 1,001,068.95 = 541,408.10 : x
  2. Step 2: Convert to fraction form
    667,379.30/1,001,068.95 = 541,408.10/x
  3. Step 3: Cross multiply
    667,379.30x = 1,001,068.95 × 541,408.10
  4. Step 4: Simplify right side
    667,379.30x = 541,986,838,188.50
  5. Step 5: Solve for x
    x = 541,986,838,188.50/667,379.30
  6. Step 6: Final answer
    x = 812,112.15

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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.