Home / 816,611.56-1,126,922.93-454,023.97

Finding the Fourth Proportional to 816,611.56, 1,126,922.93 and 454,023.97

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Solution

The fourth proportional to 816,611.56, 1,126,922.93 and 454,023.97 is: 626,552.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,611.56 : 1,126,922.93 = 454,023.97 : x
  2. Step 2: Convert to fraction form
    816,611.56/1,126,922.93 = 454,023.97/x
  3. Step 3: Cross multiply
    816,611.56x = 1,126,922.93 × 454,023.97
  4. Step 4: Simplify right side
    816,611.56x = 511,650,019,177.80
  5. Step 5: Solve for x
    x = 511,650,019,177.80/816,611.56
  6. Step 6: Final answer
    x = 626,552.51

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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.