Home / 853,821.72-1,177,751.88-547,794

Finding the Fourth Proportional to 853,821.72, 1,177,751.88 and 547,794

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Solution

The fourth proportional to 853,821.72, 1,177,751.88 and 547,794 is: 755,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,821.72 : 1,177,751.88 = 547,794 : x
  2. Step 2: Convert to fraction form
    853,821.72/1,177,751.88 = 547,794/x
  3. Step 3: Cross multiply
    853,821.72x = 1,177,751.88 × 547,794
  4. Step 4: Simplify right side
    853,821.72x = 645,165,413,352.72
  5. Step 5: Solve for x
    x = 645,165,413,352.72/853,821.72
  6. Step 6: Final answer
    x = 755,620.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.