Home / 683,203.80-1,022,472.90-627,216.60

Finding the Fourth Proportional to 683,203.80, 1,022,472.90 and 627,216.60

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Solution

The fourth proportional to 683,203.80, 1,022,472.90 and 627,216.60 is: 938,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,203.80 : 1,022,472.90 = 627,216.60 : x
  2. Step 2: Convert to fraction form
    683,203.80/1,022,472.90 = 627,216.60/x
  3. Step 3: Cross multiply
    683,203.80x = 1,022,472.90 × 627,216.60
  4. Step 4: Simplify right side
    683,203.80x = 641,311,975,930.14
  5. Step 5: Solve for x
    x = 641,311,975,930.14/683,203.80
  6. Step 6: Final answer
    x = 938,683.27

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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.