Home / 775,912.50-1,070,759.25-436,388.04

Finding the Fourth Proportional to 775,912.50, 1,070,759.25 and 436,388.04

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Solution

The fourth proportional to 775,912.50, 1,070,759.25 and 436,388.04 is: 602,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,912.50 : 1,070,759.25 = 436,388.04 : x
  2. Step 2: Convert to fraction form
    775,912.50/1,070,759.25 = 436,388.04/x
  3. Step 3: Cross multiply
    775,912.50x = 1,070,759.25 × 436,388.04
  4. Step 4: Simplify right side
    775,912.50x = 467,266,530,419.37
  5. Step 5: Solve for x
    x = 467,266,530,419.37/775,912.50
  6. Step 6: Final answer
    x = 602,215.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.