Home / 827,710.80-1,240,910.10-453,733.80

Finding the Fourth Proportional to 827,710.80, 1,240,910.10 and 453,733.80

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Solution

The fourth proportional to 827,710.80, 1,240,910.10 and 453,733.80 is: 680,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,710.80 : 1,240,910.10 = 453,733.80 : x
  2. Step 2: Convert to fraction form
    827,710.80/1,240,910.10 = 453,733.80/x
  3. Step 3: Cross multiply
    827,710.80x = 1,240,910.10 × 453,733.80
  4. Step 4: Simplify right side
    827,710.80x = 563,042,855,131.38
  5. Step 5: Solve for x
    x = 563,042,855,131.38/827,710.80
  6. Step 6: Final answer
    x = 680,241.04

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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.