Home / 547,517.64-821,133.90-231,812.04

Finding the Fourth Proportional to 547,517.64, 821,133.90 and 231,812.04

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Solution

The fourth proportional to 547,517.64, 821,133.90 and 231,812.04 is: 347,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,517.64 : 821,133.90 = 231,812.04 : x
  2. Step 2: Convert to fraction form
    547,517.64/821,133.90 = 231,812.04/x
  3. Step 3: Cross multiply
    547,517.64x = 821,133.90 × 231,812.04
  4. Step 4: Simplify right side
    547,517.64x = 190,348,724,472.16
  5. Step 5: Solve for x
    x = 190,348,724,472.16/547,517.64
  6. Step 6: Final answer
    x = 347,657.70

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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.