Home / 547,732.20-821,742.30-173,754.60

Finding the Fourth Proportional to 547,732.20, 821,742.30 and 173,754.60

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Solution

The fourth proportional to 547,732.20, 821,742.30 and 173,754.60 is: 260,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,732.20 : 821,742.30 = 173,754.60 : x
  2. Step 2: Convert to fraction form
    547,732.20/821,742.30 = 173,754.60/x
  3. Step 3: Cross multiply
    547,732.20x = 821,742.30 × 173,754.60
  4. Step 4: Simplify right side
    547,732.20x = 142,781,504,639.58
  5. Step 5: Solve for x
    x = 142,781,504,639.58/547,732.20
  6. Step 6: Final answer
    x = 260,677.58

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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.