Home / 789,348.96-1,184,217.72-228,440.16

Finding the Fourth Proportional to 789,348.96, 1,184,217.72 and 228,440.16

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Solution

The fourth proportional to 789,348.96, 1,184,217.72 and 228,440.16 is: 342,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,348.96 : 1,184,217.72 = 228,440.16 : x
  2. Step 2: Convert to fraction form
    789,348.96/1,184,217.72 = 228,440.16/x
  3. Step 3: Cross multiply
    789,348.96x = 1,184,217.72 × 228,440.16
  4. Step 4: Simplify right side
    789,348.96x = 270,522,885,431.64
  5. Step 5: Solve for x
    x = 270,522,885,431.64/789,348.96
  6. Step 6: Final answer
    x = 342,716.47

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Double scale
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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.