Home / 400,513.29-552,599.03-228,368.46

Finding the Fourth Proportional to 400,513.29, 552,599.03 and 228,368.46

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Solution

The fourth proportional to 400,513.29, 552,599.03 and 228,368.46 is: 315,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,513.29 : 552,599.03 = 228,368.46 : x
  2. Step 2: Convert to fraction form
    400,513.29/552,599.03 = 228,368.46/x
  3. Step 3: Cross multiply
    400,513.29x = 552,599.03 × 228,368.46
  4. Step 4: Simplify right side
    400,513.29x = 126,196,192,121.76
  5. Step 5: Solve for x
    x = 126,196,192,121.76/400,513.29
  6. Step 6: Final answer
    x = 315,086.16

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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.