Home / 496,723.20-744,896.76-212,401.84

Finding the Fourth Proportional to 496,723.20, 744,896.76 and 212,401.84

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Solution

The fourth proportional to 496,723.20, 744,896.76 and 212,401.84 is: 318,522.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,723.20 : 744,896.76 = 212,401.84 : x
  2. Step 2: Convert to fraction form
    496,723.20/744,896.76 = 212,401.84/x
  3. Step 3: Cross multiply
    496,723.20x = 744,896.76 × 212,401.84
  4. Step 4: Simplify right side
    496,723.20x = 158,217,442,434.04
  5. Step 5: Solve for x
    x = 158,217,442,434.04/496,723.20
  6. Step 6: Final answer
    x = 318,522.35

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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.