Home / 1,131,857.02-1,561,929.78-622,559.26

Finding the Fourth Proportional to 1,131,857.02, 1,561,929.78 and 622,559.26

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Solution

The fourth proportional to 1,131,857.02, 1,561,929.78 and 622,559.26 is: 859,113.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,857.02 : 1,561,929.78 = 622,559.26 : x
  2. Step 2: Convert to fraction form
    1,131,857.02/1,561,929.78 = 622,559.26/x
  3. Step 3: Cross multiply
    1,131,857.02x = 1,561,929.78 × 622,559.26
  4. Step 4: Simplify right side
    1,131,857.02x = 972,393,848,008.76
  5. Step 5: Solve for x
    x = 972,393,848,008.76/1,131,857.02
  6. Step 6: Final answer
    x = 859,113.68

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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.