Home / 400,516.48-552,701.61-228,430.41

Finding the Fourth Proportional to 400,516.48, 552,701.61 and 228,430.41

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Solution

The fourth proportional to 400,516.48, 552,701.61 and 228,430.41 is: 315,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,516.48 : 552,701.61 = 228,430.41 : x
  2. Step 2: Convert to fraction form
    400,516.48/552,701.61 = 228,430.41/x
  3. Step 3: Cross multiply
    400,516.48x = 552,701.61 × 228,430.41
  4. Step 4: Simplify right side
    400,516.48x = 126,253,853,307.33
  5. Step 5: Solve for x
    x = 126,253,853,307.33/400,516.48
  6. Step 6: Final answer
    x = 315,227.61

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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.