Home / 1,219,297.35-1,682,608.31-675,431.46

Finding the Fourth Proportional to 1,219,297.35, 1,682,608.31 and 675,431.46

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Solution

The fourth proportional to 1,219,297.35, 1,682,608.31 and 675,431.46 is: 932,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,297.35 : 1,682,608.31 = 675,431.46 : x
  2. Step 2: Convert to fraction form
    1,219,297.35/1,682,608.31 = 675,431.46/x
  3. Step 3: Cross multiply
    1,219,297.35x = 1,682,608.31 × 675,431.46
  4. Step 4: Simplify right side
    1,219,297.35x = 1,136,486,586,587.14
  5. Step 5: Solve for x
    x = 1,136,486,586,587.14/1,219,297.35
  6. Step 6: Final answer
    x = 932,083.21

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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.