Home / 639,157.73-958,867.80-189,838.58

Finding the Fourth Proportional to 639,157.73, 958,867.80 and 189,838.58

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Solution

The fourth proportional to 639,157.73, 958,867.80 and 189,838.58 is: 284,796.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,157.73 : 958,867.80 = 189,838.58 : x
  2. Step 2: Convert to fraction form
    639,157.73/958,867.80 = 189,838.58/x
  3. Step 3: Cross multiply
    639,157.73x = 958,867.80 × 189,838.58
  4. Step 4: Simplify right side
    639,157.73x = 182,030,096,765.39
  5. Step 5: Solve for x
    x = 182,030,096,765.39/639,157.73
  6. Step 6: Final answer
    x = 284,796.83

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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.