Home / 828,601.38-1,242,928.80-229,568.31

Finding the Fourth Proportional to 828,601.38, 1,242,928.80 and 229,568.31

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Solution

The fourth proportional to 828,601.38, 1,242,928.80 and 229,568.31 is: 344,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,601.38 : 1,242,928.80 = 229,568.31 : x
  2. Step 2: Convert to fraction form
    828,601.38/1,242,928.80 = 229,568.31/x
  3. Step 3: Cross multiply
    828,601.38x = 1,242,928.80 × 229,568.31
  4. Step 4: Simplify right side
    828,601.38x = 285,337,064,066.33
  5. Step 5: Solve for x
    x = 285,337,064,066.33/828,601.38
  6. Step 6: Final answer
    x = 344,359.87

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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.