Home / 547,825.20-821,737.80-173,848.20

Finding the Fourth Proportional to 547,825.20, 821,737.80 and 173,848.20

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Solution

The fourth proportional to 547,825.20, 821,737.80 and 173,848.20 is: 260,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,825.20 : 821,737.80 = 173,848.20 : x
  2. Step 2: Convert to fraction form
    547,825.20/821,737.80 = 173,848.20/x
  3. Step 3: Cross multiply
    547,825.20x = 821,737.80 × 173,848.20
  4. Step 4: Simplify right side
    547,825.20x = 142,857,637,401.96
  5. Step 5: Solve for x
    x = 142,857,637,401.96/547,825.20
  6. Step 6: Final answer
    x = 260,772.30

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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.