Home / 691,438.75-1,037,333.09-192,802.75

Finding the Fourth Proportional to 691,438.75, 1,037,333.09 and 192,802.75

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Solution

The fourth proportional to 691,438.75, 1,037,333.09 and 192,802.75 is: 289,252.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,438.75 : 1,037,333.09 = 192,802.75 : x
  2. Step 2: Convert to fraction form
    691,438.75/1,037,333.09 = 192,802.75/x
  3. Step 3: Cross multiply
    691,438.75x = 1,037,333.09 × 192,802.75
  4. Step 4: Simplify right side
    691,438.75x = 200,000,672,418.00
  5. Step 5: Solve for x
    x = 200,000,672,418.00/691,438.75
  6. Step 6: Final answer
    x = 289,252.91

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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.