Home / 1,131,246.01-1,561,079.60-621,944.47

Finding the Fourth Proportional to 1,131,246.01, 1,561,079.60 and 621,944.47

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Solution

The fourth proportional to 1,131,246.01, 1,561,079.60 and 621,944.47 is: 858,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,246.01 : 1,561,079.60 = 621,944.47 : x
  2. Step 2: Convert to fraction form
    1,131,246.01/1,561,079.60 = 621,944.47/x
  3. Step 3: Cross multiply
    1,131,246.01x = 1,561,079.60 × 621,944.47
  4. Step 4: Simplify right side
    1,131,246.01x = 970,904,816,644.41
  5. Step 5: Solve for x
    x = 970,904,816,644.41/1,131,246.01
  6. Step 6: Final answer
    x = 858,261.43

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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.