Home / 389,232.18-537,016.77-228,035.70

Finding the Fourth Proportional to 389,232.18, 537,016.77 and 228,035.70

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Solution

The fourth proportional to 389,232.18, 537,016.77 and 228,035.70 is: 314,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,232.18 : 537,016.77 = 228,035.70 : x
  2. Step 2: Convert to fraction form
    389,232.18/537,016.77 = 228,035.70/x
  3. Step 3: Cross multiply
    389,232.18x = 537,016.77 × 228,035.70
  4. Step 4: Simplify right side
    389,232.18x = 122,458,995,058.69
  5. Step 5: Solve for x
    x = 122,458,995,058.69/389,232.18
  6. Step 6: Final answer
    x = 314,616.83

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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.