Home / 823,748.20-1,234,310.10-611,171.80

Finding the Fourth Proportional to 823,748.20, 1,234,310.10 and 611,171.80

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Solution

The fourth proportional to 823,748.20, 1,234,310.10 and 611,171.80 is: 915,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,748.20 : 1,234,310.10 = 611,171.80 : x
  2. Step 2: Convert to fraction form
    823,748.20/1,234,310.10 = 611,171.80/x
  3. Step 3: Cross multiply
    823,748.20x = 1,234,310.10 × 611,171.80
  4. Step 4: Simplify right side
    823,748.20x = 754,375,525,575.18
  5. Step 5: Solve for x
    x = 754,375,525,575.18/823,748.20
  6. Step 6: Final answer
    x = 915,784.13

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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.