Home / 1,047,847.86-1,568,638.85-641,761.34

Finding the Fourth Proportional to 1,047,847.86, 1,568,638.85 and 641,761.34

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Solution

The fourth proportional to 1,047,847.86, 1,568,638.85 and 641,761.34 is: 960,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,847.86 : 1,568,638.85 = 641,761.34 : x
  2. Step 2: Convert to fraction form
    1,047,847.86/1,568,638.85 = 641,761.34/x
  3. Step 3: Cross multiply
    1,047,847.86x = 1,568,638.85 × 641,761.34
  4. Step 4: Simplify right side
    1,047,847.86x = 1,006,691,770,352.06
  5. Step 5: Solve for x
    x = 1,006,691,770,352.06/1,047,847.86
  6. Step 6: Final answer
    x = 960,723.22

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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.