Home / 828,195.30-1,243,605.15-605,121.30

Finding the Fourth Proportional to 828,195.30, 1,243,605.15 and 605,121.30

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Solution

The fourth proportional to 828,195.30, 1,243,605.15 and 605,121.30 is: 908,640.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,195.30 : 1,243,605.15 = 605,121.30 : x
  2. Step 2: Convert to fraction form
    828,195.30/1,243,605.15 = 605,121.30/x
  3. Step 3: Cross multiply
    828,195.30x = 1,243,605.15 × 605,121.30
  4. Step 4: Simplify right side
    828,195.30x = 752,531,965,054.70
  5. Step 5: Solve for x
    x = 752,531,965,054.70/828,195.30
  6. Step 6: Final answer
    x = 908,640.71

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Double scale
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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.