Home / 1,131,823.99-1,561,946.66-622,539.73

Finding the Fourth Proportional to 1,131,823.99, 1,561,946.66 and 622,539.73

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Solution

The fourth proportional to 1,131,823.99, 1,561,946.66 and 622,539.73 is: 859,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,823.99 : 1,561,946.66 = 622,539.73 : x
  2. Step 2: Convert to fraction form
    1,131,823.99/1,561,946.66 = 622,539.73/x
  3. Step 3: Cross multiply
    1,131,823.99x = 1,561,946.66 × 622,539.73
  4. Step 4: Simplify right side
    1,131,823.99x = 972,373,851,990.80
  5. Step 5: Solve for x
    x = 972,373,851,990.80/1,131,823.99
  6. Step 6: Final answer
    x = 859,121.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.