Home / 454,877.20-681,003.60-277,730.20

Finding the Fourth Proportional to 454,877.20, 681,003.60 and 277,730.20

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Solution

The fourth proportional to 454,877.20, 681,003.60 and 277,730.20 is: 415,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,877.20 : 681,003.60 = 277,730.20 : x
  2. Step 2: Convert to fraction form
    454,877.20/681,003.60 = 277,730.20/x
  3. Step 3: Cross multiply
    454,877.20x = 681,003.60 × 277,730.20
  4. Step 4: Simplify right side
    454,877.20x = 189,135,266,028.72
  5. Step 5: Solve for x
    x = 189,135,266,028.72/454,877.20
  6. Step 6: Final answer
    x = 415,794.12

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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.