Home / 527,383.81-791,112.62-261,072.82

Finding the Fourth Proportional to 527,383.81, 791,112.62 and 261,072.82

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Solution

The fourth proportional to 527,383.81, 791,112.62 and 261,072.82 is: 391,627.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,383.81 : 791,112.62 = 261,072.82 : x
  2. Step 2: Convert to fraction form
    527,383.81/791,112.62 = 261,072.82/x
  3. Step 3: Cross multiply
    527,383.81x = 791,112.62 × 261,072.82
  4. Step 4: Simplify right side
    527,383.81x = 206,538,004,282.56
  5. Step 5: Solve for x
    x = 206,538,004,282.56/527,383.81
  6. Step 6: Final answer
    x = 391,627.50

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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.