Home / 622,190.40-933,285.60-228,155.20

Finding the Fourth Proportional to 622,190.40, 933,285.60 and 228,155.20

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Solution

The fourth proportional to 622,190.40, 933,285.60 and 228,155.20 is: 342,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,190.40 : 933,285.60 = 228,155.20 : x
  2. Step 2: Convert to fraction form
    622,190.40/933,285.60 = 228,155.20/x
  3. Step 3: Cross multiply
    622,190.40x = 933,285.60 × 228,155.20
  4. Step 4: Simplify right side
    622,190.40x = 212,933,962,725.12
  5. Step 5: Solve for x
    x = 212,933,962,725.12/622,190.40
  6. Step 6: Final answer
    x = 342,232.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.