Home / 829,053.09-1,143,990.41-523,013.49

Finding the Fourth Proportional to 829,053.09, 1,143,990.41 and 523,013.49

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Solution

The fourth proportional to 829,053.09, 1,143,990.41 and 523,013.49 is: 721,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,053.09 : 1,143,990.41 = 523,013.49 : x
  2. Step 2: Convert to fraction form
    829,053.09/1,143,990.41 = 523,013.49/x
  3. Step 3: Cross multiply
    829,053.09x = 1,143,990.41 × 523,013.49
  4. Step 4: Simplify right side
    829,053.09x = 598,322,414,245.56
  5. Step 5: Solve for x
    x = 598,322,414,245.56/829,053.09
  6. Step 6: Final answer
    x = 721,693.73

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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.