Home / 691,202.50-1,036,863.15-192,566.50

Finding the Fourth Proportional to 691,202.50, 1,036,863.15 and 192,566.50

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Solution

The fourth proportional to 691,202.50, 1,036,863.15 and 192,566.50 is: 288,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,202.50 : 1,036,863.15 = 192,566.50 : x
  2. Step 2: Convert to fraction form
    691,202.50/1,036,863.15 = 192,566.50/x
  3. Step 3: Cross multiply
    691,202.50x = 1,036,863.15 × 192,566.50
  4. Step 4: Simplify right side
    691,202.50x = 199,665,107,774.48
  5. Step 5: Solve for x
    x = 199,665,107,774.48/691,202.50
  6. Step 6: Final answer
    x = 288,866.30

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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.