Home / 1,228,851.24-1,695,790.42-684,954.58

Finding the Fourth Proportional to 1,228,851.24, 1,695,790.42 and 684,954.58

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Solution

The fourth proportional to 1,228,851.24, 1,695,790.42 and 684,954.58 is: 945,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,851.24 : 1,695,790.42 = 684,954.58 : x
  2. Step 2: Convert to fraction form
    1,228,851.24/1,695,790.42 = 684,954.58/x
  3. Step 3: Cross multiply
    1,228,851.24x = 1,695,790.42 × 684,954.58
  4. Step 4: Simplify right side
    1,228,851.24x = 1,161,539,408,947.26
  5. Step 5: Solve for x
    x = 1,161,539,408,947.26/1,228,851.24
  6. Step 6: Final answer
    x = 945,223.78

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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.