Home / 389,270.28-537,193.40-228,093.24

Finding the Fourth Proportional to 389,270.28, 537,193.40 and 228,093.24

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Solution

The fourth proportional to 389,270.28, 537,193.40 and 228,093.24 is: 314,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,270.28 : 537,193.40 = 228,093.24 : x
  2. Step 2: Convert to fraction form
    389,270.28/537,193.40 = 228,093.24/x
  3. Step 3: Cross multiply
    389,270.28x = 537,193.40 × 228,093.24
  4. Step 4: Simplify right side
    389,270.28x = 122,530,183,112.62
  5. Step 5: Solve for x
    x = 122,530,183,112.62/389,270.28
  6. Step 6: Final answer
    x = 314,768.91

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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.