Home / 743,972.48-1,025,718.36-481,861.44

Finding the Fourth Proportional to 743,972.48, 1,025,718.36 and 481,861.44

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Solution

The fourth proportional to 743,972.48, 1,025,718.36 and 481,861.44 is: 664,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,972.48 : 1,025,718.36 = 481,861.44 : x
  2. Step 2: Convert to fraction form
    743,972.48/1,025,718.36 = 481,861.44/x
  3. Step 3: Cross multiply
    743,972.48x = 1,025,718.36 × 481,861.44
  4. Step 4: Simplify right side
    743,972.48x = 494,254,125,984.04
  5. Step 5: Solve for x
    x = 494,254,125,984.04/743,972.48
  6. Step 6: Final answer
    x = 664,344.64

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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.