Home / 853,956.61-1,280,914.50-277,579.17

Finding the Fourth Proportional to 853,956.61, 1,280,914.50 and 277,579.17

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Solution

The fourth proportional to 853,956.61, 1,280,914.50 and 277,579.17 is: 416,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,956.61 : 1,280,914.50 = 277,579.17 : x
  2. Step 2: Convert to fraction form
    853,956.61/1,280,914.50 = 277,579.17/x
  3. Step 3: Cross multiply
    853,956.61x = 1,280,914.50 × 277,579.17
  4. Step 4: Simplify right side
    853,956.61x = 355,555,183,750.97
  5. Step 5: Solve for x
    x = 355,555,183,750.97/853,956.61
  6. Step 6: Final answer
    x = 416,362.12

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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.