Home / 1,271,008.76-1,906,511.36-324,379.44

Finding the Fourth Proportional to 1,271,008.76, 1,906,511.36 and 324,379.44

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Solution

The fourth proportional to 1,271,008.76, 1,906,511.36 and 324,379.44 is: 486,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,008.76 : 1,906,511.36 = 324,379.44 : x
  2. Step 2: Convert to fraction form
    1,271,008.76/1,906,511.36 = 324,379.44/x
  3. Step 3: Cross multiply
    1,271,008.76x = 1,906,511.36 × 324,379.44
  4. Step 4: Simplify right side
    1,271,008.76x = 618,433,087,310.44
  5. Step 5: Solve for x
    x = 618,433,087,310.44/1,271,008.76
  6. Step 6: Final answer
    x = 486,568.71

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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.