Home / 822,778.22-1,135,418.91-465,082.22

Finding the Fourth Proportional to 822,778.22, 1,135,418.91 and 465,082.22

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Solution

The fourth proportional to 822,778.22, 1,135,418.91 and 465,082.22 is: 641,804.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,778.22 : 1,135,418.91 = 465,082.22 : x
  2. Step 2: Convert to fraction form
    822,778.22/1,135,418.91 = 465,082.22/x
  3. Step 3: Cross multiply
    822,778.22x = 1,135,418.91 × 465,082.22
  4. Step 4: Simplify right side
    822,778.22x = 528,063,147,292.78
  5. Step 5: Solve for x
    x = 528,063,147,292.78/822,778.22
  6. Step 6: Final answer
    x = 641,804.97

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1.5x scale

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.