Home / 638,255.46-957,383.20-195,019.62

Finding the Fourth Proportional to 638,255.46, 957,383.20 and 195,019.62

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Solution

The fourth proportional to 638,255.46, 957,383.20 and 195,019.62 is: 292,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,255.46 : 957,383.20 = 195,019.62 : x
  2. Step 2: Convert to fraction form
    638,255.46/957,383.20 = 195,019.62/x
  3. Step 3: Cross multiply
    638,255.46x = 957,383.20 × 195,019.62
  4. Step 4: Simplify right side
    638,255.46x = 186,708,507,858.38
  5. Step 5: Solve for x
    x = 186,708,507,858.38/638,255.46
  6. Step 6: Final answer
    x = 292,529.43

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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.