Home / 483,880.22-667,792.07-290,295.20

Finding the Fourth Proportional to 483,880.22, 667,792.07 and 290,295.20

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Solution

The fourth proportional to 483,880.22, 667,792.07 and 290,295.20 is: 400,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,880.22 : 667,792.07 = 290,295.20 : x
  2. Step 2: Convert to fraction form
    483,880.22/667,792.07 = 290,295.20/x
  3. Step 3: Cross multiply
    483,880.22x = 667,792.07 × 290,295.20
  4. Step 4: Simplify right side
    483,880.22x = 193,856,827,728.63
  5. Step 5: Solve for x
    x = 193,856,827,728.63/483,880.22
  6. Step 6: Final answer
    x = 400,629.79

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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.