Home / 729,685.96-1,094,532.60-329,858.56

Finding the Fourth Proportional to 729,685.96, 1,094,532.60 and 329,858.56

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Solution

The fourth proportional to 729,685.96, 1,094,532.60 and 329,858.56 is: 494,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,685.96 : 1,094,532.60 = 329,858.56 : x
  2. Step 2: Convert to fraction form
    729,685.96/1,094,532.60 = 329,858.56/x
  3. Step 3: Cross multiply
    729,685.96x = 1,094,532.60 × 329,858.56
  4. Step 4: Simplify right side
    729,685.96x = 361,040,947,309.06
  5. Step 5: Solve for x
    x = 361,040,947,309.06/729,685.96
  6. Step 6: Final answer
    x = 494,789.49

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1.5x scale

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.