Home / 813,092.28-1,220,755.64-414,001.24

Finding the Fourth Proportional to 813,092.28, 1,220,755.64 and 414,001.24

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Solution

The fourth proportional to 813,092.28, 1,220,755.64 and 414,001.24 is: 621,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,092.28 : 1,220,755.64 = 414,001.24 : x
  2. Step 2: Convert to fraction form
    813,092.28/1,220,755.64 = 414,001.24/x
  3. Step 3: Cross multiply
    813,092.28x = 1,220,755.64 × 414,001.24
  4. Step 4: Simplify right side
    813,092.28x = 505,394,348,696.99
  5. Step 5: Solve for x
    x = 505,394,348,696.99/813,092.28
  6. Step 6: Final answer
    x = 621,570.71

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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.