Home / 931,893.68-1,395,791.60-770,136.32

Finding the Fourth Proportional to 931,893.68, 1,395,791.60 and 770,136.32

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Solution

The fourth proportional to 931,893.68, 1,395,791.60 and 770,136.32 is: 1,153,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,893.68 : 1,395,791.60 = 770,136.32 : x
  2. Step 2: Convert to fraction form
    931,893.68/1,395,791.60 = 770,136.32/x
  3. Step 3: Cross multiply
    931,893.68x = 1,395,791.60 × 770,136.32
  4. Step 4: Simplify right side
    931,893.68x = 1,074,949,795,481.27
  5. Step 5: Solve for x
    x = 1,074,949,795,481.27/931,893.68
  6. Step 6: Final answer
    x = 1,153,511.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.