Home / 1,131,010.30-1,560,754.67-621,709.03

Finding the Fourth Proportional to 1,131,010.30, 1,560,754.67 and 621,709.03

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Solution

The fourth proportional to 1,131,010.30, 1,560,754.67 and 621,709.03 is: 857,936.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,010.30 : 1,560,754.67 = 621,709.03 : x
  2. Step 2: Convert to fraction form
    1,131,010.30/1,560,754.67 = 621,709.03/x
  3. Step 3: Cross multiply
    1,131,010.30x = 1,560,754.67 × 621,709.03
  4. Step 4: Simplify right side
    1,131,010.30x = 970,335,264,943.24
  5. Step 5: Solve for x
    x = 970,335,264,943.24/1,131,010.30
  6. Step 6: Final answer
    x = 857,936.72

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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.