Home / 547,523.64-821,142.90-231,818.04

Finding the Fourth Proportional to 547,523.64, 821,142.90 and 231,818.04

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Solution

The fourth proportional to 547,523.64, 821,142.90 and 231,818.04 is: 347,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,523.64 : 821,142.90 = 231,818.04 : x
  2. Step 2: Convert to fraction form
    547,523.64/821,142.90 = 231,818.04/x
  3. Step 3: Cross multiply
    547,523.64x = 821,142.90 × 231,818.04
  4. Step 4: Simplify right side
    547,523.64x = 190,355,737,637.92
  5. Step 5: Solve for x
    x = 190,355,737,637.92/547,523.64
  6. Step 6: Final answer
    x = 347,666.70

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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.