Home / 743,115.92-1,114,455.04-210,683.44

Finding the Fourth Proportional to 743,115.92, 1,114,455.04 and 210,683.44

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Solution

The fourth proportional to 743,115.92, 1,114,455.04 and 210,683.44 is: 315,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,115.92 : 1,114,455.04 = 210,683.44 : x
  2. Step 2: Convert to fraction form
    743,115.92/1,114,455.04 = 210,683.44/x
  3. Step 3: Cross multiply
    743,115.92x = 1,114,455.04 × 210,683.44
  4. Step 4: Simplify right side
    743,115.92x = 234,797,221,552.54
  5. Step 5: Solve for x
    x = 234,797,221,552.54/743,115.92
  6. Step 6: Final answer
    x = 315,963.12

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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.