Home / 696,789.46-1,045,181.82-191,350.90

Finding the Fourth Proportional to 696,789.46, 1,045,181.82 and 191,350.90

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Solution

The fourth proportional to 696,789.46, 1,045,181.82 and 191,350.90 is: 287,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,789.46 : 1,045,181.82 = 191,350.90 : x
  2. Step 2: Convert to fraction form
    696,789.46/1,045,181.82 = 191,350.90/x
  3. Step 3: Cross multiply
    696,789.46x = 1,045,181.82 × 191,350.90
  4. Step 4: Simplify right side
    696,789.46x = 199,996,481,920.64
  5. Step 5: Solve for x
    x = 199,996,481,920.64/696,789.46
  6. Step 6: Final answer
    x = 287,025.70

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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.