Home / 827,476.70-1,241,215.11-266,511.20

Finding the Fourth Proportional to 827,476.70, 1,241,215.11 and 266,511.20

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Solution

The fourth proportional to 827,476.70, 1,241,215.11 and 266,511.20 is: 399,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,476.70 : 1,241,215.11 = 266,511.20 : x
  2. Step 2: Convert to fraction form
    827,476.70/1,241,215.11 = 266,511.20/x
  3. Step 3: Cross multiply
    827,476.70x = 1,241,215.11 × 266,511.20
  4. Step 4: Simplify right side
    827,476.70x = 330,797,722,218.16
  5. Step 5: Solve for x
    x = 330,797,722,218.16/827,476.70
  6. Step 6: Final answer
    x = 399,766.81

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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.