Home / 773,456.49-1,067,566.16-528,540.44

Finding the Fourth Proportional to 773,456.49, 1,067,566.16 and 528,540.44

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Solution

The fourth proportional to 773,456.49, 1,067,566.16 and 528,540.44 is: 729,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,456.49 : 1,067,566.16 = 528,540.44 : x
  2. Step 2: Convert to fraction form
    773,456.49/1,067,566.16 = 528,540.44/x
  3. Step 3: Cross multiply
    773,456.49x = 1,067,566.16 × 528,540.44
  4. Step 4: Simplify right side
    773,456.49x = 564,251,879,954.98
  5. Step 5: Solve for x
    x = 564,251,879,954.98/773,456.49
  6. Step 6: Final answer
    x = 729,519.87

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Double scale
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1.5x scale

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.