Home / 1,131,113.07-1,560,965.84-621,828.27

Finding the Fourth Proportional to 1,131,113.07, 1,560,965.84 and 621,828.27

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Solution

The fourth proportional to 1,131,113.07, 1,560,965.84 and 621,828.27 is: 858,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,113.07 : 1,560,965.84 = 621,828.27 : x
  2. Step 2: Convert to fraction form
    1,131,113.07/1,560,965.84 = 621,828.27/x
  3. Step 3: Cross multiply
    1,131,113.07x = 1,560,965.84 × 621,828.27
  4. Step 4: Simplify right side
    1,131,113.07x = 970,652,684,707.16
  5. Step 5: Solve for x
    x = 970,652,684,707.16/1,131,113.07
  6. Step 6: Final answer
    x = 858,139.39

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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.