Home / 400,537.02-552,736.74-228,450.54

Finding the Fourth Proportional to 400,537.02, 552,736.74 and 228,450.54

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Solution

The fourth proportional to 400,537.02, 552,736.74 and 228,450.54 is: 315,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,537.02 : 552,736.74 = 228,450.54 : x
  2. Step 2: Convert to fraction form
    400,537.02/552,736.74 = 228,450.54/x
  3. Step 3: Cross multiply
    400,537.02x = 552,736.74 × 228,450.54
  4. Step 4: Simplify right side
    400,537.02x = 126,273,006,730.84
  5. Step 5: Solve for x
    x = 126,273,006,730.84/400,537.02
  6. Step 6: Final answer
    x = 315,259.27

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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.