Home / 823,048.68-1,234,691.31-254,474.10

Finding the Fourth Proportional to 823,048.68, 1,234,691.31 and 254,474.10

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Solution

The fourth proportional to 823,048.68, 1,234,691.31 and 254,474.10 is: 381,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,048.68 : 1,234,691.31 = 254,474.10 : x
  2. Step 2: Convert to fraction form
    823,048.68/1,234,691.31 = 254,474.10/x
  3. Step 3: Cross multiply
    823,048.68x = 1,234,691.31 × 254,474.10
  4. Step 4: Simplify right side
    823,048.68x = 314,196,959,890.07
  5. Step 5: Solve for x
    x = 314,196,959,890.07/823,048.68
  6. Step 6: Final answer
    x = 381,747.72

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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.