Home / 526,913.22-790,517.79-211,591.56

Finding the Fourth Proportional to 526,913.22, 790,517.79 and 211,591.56

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Solution

The fourth proportional to 526,913.22, 790,517.79 and 211,591.56 is: 317,446.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,913.22 : 790,517.79 = 211,591.56 : x
  2. Step 2: Convert to fraction form
    526,913.22/790,517.79 = 211,591.56/x
  3. Step 3: Cross multiply
    526,913.22x = 790,517.79 × 211,591.56
  4. Step 4: Simplify right side
    526,913.22x = 167,266,892,393.85
  5. Step 5: Solve for x
    x = 167,266,892,393.85/526,913.22
  6. Step 6: Final answer
    x = 317,446.76

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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.