Home / 400,531.03-552,728.44-228,444.54

Finding the Fourth Proportional to 400,531.03, 552,728.44 and 228,444.54

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Solution

The fourth proportional to 400,531.03, 552,728.44 and 228,444.54 is: 315,250.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,531.03 : 552,728.44 = 228,444.54 : x
  2. Step 2: Convert to fraction form
    400,531.03/552,728.44 = 228,444.54/x
  3. Step 3: Cross multiply
    400,531.03x = 552,728.44 × 228,444.54
  4. Step 4: Simplify right side
    400,531.03x = 126,267,792,433.54
  5. Step 5: Solve for x
    x = 126,267,792,433.54/400,531.03
  6. Step 6: Final answer
    x = 315,250.96

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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.