Home / 893,628.28-1,340,021.25-324,608.23

Finding the Fourth Proportional to 893,628.28, 1,340,021.25 and 324,608.23

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Solution

The fourth proportional to 893,628.28, 1,340,021.25 and 324,608.23 is: 486,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,628.28 : 1,340,021.25 = 324,608.23 : x
  2. Step 2: Convert to fraction form
    893,628.28/1,340,021.25 = 324,608.23/x
  3. Step 3: Cross multiply
    893,628.28x = 1,340,021.25 × 324,608.23
  4. Step 4: Simplify right side
    893,628.28x = 434,981,926,124.89
  5. Step 5: Solve for x
    x = 434,981,926,124.89/893,628.28
  6. Step 6: Final answer
    x = 486,759.36

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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.