Home / 852,724.80-1,279,087.11-253,694.52

Finding the Fourth Proportional to 852,724.80, 1,279,087.11 and 253,694.52

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Solution

The fourth proportional to 852,724.80, 1,279,087.11 and 253,694.52 is: 380,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,724.80 : 1,279,087.11 = 253,694.52 : x
  2. Step 2: Convert to fraction form
    852,724.80/1,279,087.11 = 253,694.52/x
  3. Step 3: Cross multiply
    852,724.80x = 1,279,087.11 × 253,694.52
  4. Step 4: Simplify right side
    852,724.80x = 324,497,390,409.64
  5. Step 5: Solve for x
    x = 324,497,390,409.64/852,724.80
  6. Step 6: Final answer
    x = 380,541.75

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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.