Home / 389,268.28-537,190.64-228,091.24

Finding the Fourth Proportional to 389,268.28, 537,190.64 and 228,091.24

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Solution

The fourth proportional to 389,268.28, 537,190.64 and 228,091.24 is: 314,766.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,268.28 : 537,190.64 = 228,091.24 : x
  2. Step 2: Convert to fraction form
    389,268.28/537,190.64 = 228,091.24/x
  3. Step 3: Cross multiply
    389,268.28x = 537,190.64 × 228,091.24
  4. Step 4: Simplify right side
    389,268.28x = 122,528,479,193.99
  5. Step 5: Solve for x
    x = 122,528,479,193.99/389,268.28
  6. Step 6: Final answer
    x = 314,766.15

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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.