Home / 827,653.20-1,241,710.20-406,942.80

Finding the Fourth Proportional to 827,653.20, 1,241,710.20 and 406,942.80

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Solution

The fourth proportional to 827,653.20, 1,241,710.20 and 406,942.80 is: 610,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,653.20 : 1,241,710.20 = 406,942.80 : x
  2. Step 2: Convert to fraction form
    827,653.20/1,241,710.20 = 406,942.80/x
  3. Step 3: Cross multiply
    827,653.20x = 1,241,710.20 × 406,942.80
  4. Step 4: Simplify right side
    827,653.20x = 505,305,025,576.56
  5. Step 5: Solve for x
    x = 505,305,025,576.56/827,653.20
  6. Step 6: Final answer
    x = 610,527.48

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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.