Home / 547,789.40-821,748.10-173,850.20

Finding the Fourth Proportional to 547,789.40, 821,748.10 and 173,850.20

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Solution

The fourth proportional to 547,789.40, 821,748.10 and 173,850.20 is: 260,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,789.40 : 821,748.10 = 173,850.20 : x
  2. Step 2: Convert to fraction form
    547,789.40/821,748.10 = 173,850.20/x
  3. Step 3: Cross multiply
    547,789.40x = 821,748.10 × 173,850.20
  4. Step 4: Simplify right side
    547,789.40x = 142,861,071,534.62
  5. Step 5: Solve for x
    x = 142,861,071,534.62/547,789.40
  6. Step 6: Final answer
    x = 260,795.61

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1.5x scale

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.