Home / 886,254.36-1,222,961.96-523,609.44

Finding the Fourth Proportional to 886,254.36, 1,222,961.96 and 523,609.44

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Solution

The fourth proportional to 886,254.36, 1,222,961.96 and 523,609.44 is: 722,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,254.36 : 1,222,961.96 = 523,609.44 : x
  2. Step 2: Convert to fraction form
    886,254.36/1,222,961.96 = 523,609.44/x
  3. Step 3: Cross multiply
    886,254.36x = 1,222,961.96 × 523,609.44
  4. Step 4: Simplify right side
    886,254.36x = 640,354,424,398.86
  5. Step 5: Solve for x
    x = 640,354,424,398.86/886,254.36
  6. Step 6: Final answer
    x = 722,540.22

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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.