Home / 828,766.40-1,243,026.56-229,665.10

Finding the Fourth Proportional to 828,766.40, 1,243,026.56 and 229,665.10

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Solution

The fourth proportional to 828,766.40, 1,243,026.56 and 229,665.10 is: 344,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,766.40 : 1,243,026.56 = 229,665.10 : x
  2. Step 2: Convert to fraction form
    828,766.40/1,243,026.56 = 229,665.10/x
  3. Step 3: Cross multiply
    828,766.40x = 1,243,026.56 × 229,665.10
  4. Step 4: Simplify right side
    828,766.40x = 285,479,819,205.06
  5. Step 5: Solve for x
    x = 285,479,819,205.06/828,766.40
  6. Step 6: Final answer
    x = 344,463.55

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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.