Home / 828,198.54-1,242,589.41-407,769.66

Finding the Fourth Proportional to 828,198.54, 1,242,589.41 and 407,769.66

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Solution

The fourth proportional to 828,198.54, 1,242,589.41 and 407,769.66 is: 611,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,198.54 : 1,242,589.41 = 407,769.66 : x
  2. Step 2: Convert to fraction form
    828,198.54/1,242,589.41 = 407,769.66/x
  3. Step 3: Cross multiply
    828,198.54x = 1,242,589.41 × 407,769.66
  4. Step 4: Simplify right side
    828,198.54x = 506,690,261,235.30
  5. Step 5: Solve for x
    x = 506,690,261,235.30/828,198.54
  6. Step 6: Final answer
    x = 611,798.06

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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.