Home / 1,374,039.68-1,896,205.19-762,172.56

Finding the Fourth Proportional to 1,374,039.68, 1,896,205.19 and 762,172.56

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Solution

The fourth proportional to 1,374,039.68, 1,896,205.19 and 762,172.56 is: 1,051,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,039.68 : 1,896,205.19 = 762,172.56 : x
  2. Step 2: Convert to fraction form
    1,374,039.68/1,896,205.19 = 762,172.56/x
  3. Step 3: Cross multiply
    1,374,039.68x = 1,896,205.19 × 762,172.56
  4. Step 4: Simplify right side
    1,374,039.68x = 1,445,235,560,136.72
  5. Step 5: Solve for x
    x = 1,445,235,560,136.72/1,374,039.68
  6. Step 6: Final answer
    x = 1,051,815.01

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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.