Home / 638,383.40-957,538.22-233,848.56

Finding the Fourth Proportional to 638,383.40, 957,538.22 and 233,848.56

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Solution

The fourth proportional to 638,383.40, 957,538.22 and 233,848.56 is: 350,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,383.40 : 957,538.22 = 233,848.56 : x
  2. Step 2: Convert to fraction form
    638,383.40/957,538.22 = 233,848.56/x
  3. Step 3: Cross multiply
    638,383.40x = 957,538.22 × 233,848.56
  4. Step 4: Simplify right side
    638,383.40x = 223,918,933,891.96
  5. Step 5: Solve for x
    x = 223,918,933,891.96/638,383.40
  6. Step 6: Final answer
    x = 350,759.33

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Double scale
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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.