Home / 547,819.20-821,872.80-173,841.60

Finding the Fourth Proportional to 547,819.20, 821,872.80 and 173,841.60

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Solution

The fourth proportional to 547,819.20, 821,872.80 and 173,841.60 is: 260,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,819.20 : 821,872.80 = 173,841.60 : x
  2. Step 2: Convert to fraction form
    547,819.20/821,872.80 = 173,841.60/x
  3. Step 3: Cross multiply
    547,819.20x = 821,872.80 × 173,841.60
  4. Step 4: Simplify right side
    547,819.20x = 142,875,682,548.48
  5. Step 5: Solve for x
    x = 142,875,682,548.48/547,819.20
  6. Step 6: Final answer
    x = 260,808.10

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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.