Home / 545,180.25-752,331.96-303,456.60

Finding the Fourth Proportional to 545,180.25, 752,331.96 and 303,456.60

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Solution

The fourth proportional to 545,180.25, 752,331.96 and 303,456.60 is: 418,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,180.25 : 752,331.96 = 303,456.60 : x
  2. Step 2: Convert to fraction form
    545,180.25/752,331.96 = 303,456.60/x
  3. Step 3: Cross multiply
    545,180.25x = 752,331.96 × 303,456.60
  4. Step 4: Simplify right side
    545,180.25x = 228,300,098,652.94
  5. Step 5: Solve for x
    x = 228,300,098,652.94/545,180.25
  6. Step 6: Final answer
    x = 418,760.77

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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.