Home / 396,724.01-547,852.79-276,194.87

Finding the Fourth Proportional to 396,724.01, 547,852.79 and 276,194.87

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Solution

The fourth proportional to 396,724.01, 547,852.79 and 276,194.87 is: 381,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,724.01 : 547,852.79 = 276,194.87 : x
  2. Step 2: Convert to fraction form
    396,724.01/547,852.79 = 276,194.87/x
  3. Step 3: Cross multiply
    396,724.01x = 547,852.79 × 276,194.87
  4. Step 4: Simplify right side
    396,724.01x = 151,314,130,882.90
  5. Step 5: Solve for x
    x = 151,314,130,882.90/396,724.01
  6. Step 6: Final answer
    x = 381,409.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.