Home / 476,372.25-714,744.68-209,945.43

Finding the Fourth Proportional to 476,372.25, 714,744.68 and 209,945.43

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Solution

The fourth proportional to 476,372.25, 714,744.68 and 209,945.43 is: 315,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,372.25 : 714,744.68 = 209,945.43 : x
  2. Step 2: Convert to fraction form
    476,372.25/714,744.68 = 209,945.43/x
  3. Step 3: Cross multiply
    476,372.25x = 714,744.68 × 209,945.43
  4. Step 4: Simplify right side
    476,372.25x = 150,057,378,133.09
  5. Step 5: Solve for x
    x = 150,057,378,133.09/476,372.25
  6. Step 6: Final answer
    x = 315,000.25

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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.