Home / 691,441.75-1,037,337.59-192,805.75

Finding the Fourth Proportional to 691,441.75, 1,037,337.59 and 192,805.75

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Solution

The fourth proportional to 691,441.75, 1,037,337.59 and 192,805.75 is: 289,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,441.75 : 1,037,337.59 = 192,805.75 : x
  2. Step 2: Convert to fraction form
    691,441.75/1,037,337.59 = 192,805.75/x
  3. Step 3: Cross multiply
    691,441.75x = 1,037,337.59 × 192,805.75
  4. Step 4: Simplify right side
    691,441.75x = 200,004,652,043.14
  5. Step 5: Solve for x
    x = 200,004,652,043.14/691,441.75
  6. Step 6: Final answer
    x = 289,257.41

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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.