Home / 400,571.48-552,849.36-228,488.60

Finding the Fourth Proportional to 400,571.48, 552,849.36 and 228,488.60

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Solution

The fourth proportional to 400,571.48, 552,849.36 and 228,488.60 is: 315,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,571.48 : 552,849.36 = 228,488.60 : x
  2. Step 2: Convert to fraction form
    400,571.48/552,849.36 = 228,488.60/x
  3. Step 3: Cross multiply
    400,571.48x = 552,849.36 × 228,488.60
  4. Step 4: Simplify right side
    400,571.48x = 126,319,776,277.30
  5. Step 5: Solve for x
    x = 126,319,776,277.30/400,571.48
  6. Step 6: Final answer
    x = 315,348.90

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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.