Home / 1,131,247.01-1,561,080.98-621,945.47

Finding the Fourth Proportional to 1,131,247.01, 1,561,080.98 and 621,945.47

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Solution

The fourth proportional to 1,131,247.01, 1,561,080.98 and 621,945.47 is: 858,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,247.01 : 1,561,080.98 = 621,945.47 : x
  2. Step 2: Convert to fraction form
    1,131,247.01/1,561,080.98 = 621,945.47/x
  3. Step 3: Cross multiply
    1,131,247.01x = 1,561,080.98 × 621,945.47
  4. Step 4: Simplify right side
    1,131,247.01x = 970,907,243,814.16
  5. Step 5: Solve for x
    x = 970,907,243,814.16/1,131,247.01
  6. Step 6: Final answer
    x = 858,262.82

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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.