Home / 857,843.11-1,183,965.42-475,992.91

Finding the Fourth Proportional to 857,843.11, 1,183,965.42 and 475,992.91

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Solution

The fourth proportional to 857,843.11, 1,183,965.42 and 475,992.91 is: 656,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,843.11 : 1,183,965.42 = 475,992.91 : x
  2. Step 2: Convert to fraction form
    857,843.11/1,183,965.42 = 475,992.91/x
  3. Step 3: Cross multiply
    857,843.11x = 1,183,965.42 × 475,992.91
  4. Step 4: Simplify right side
    857,843.11x = 563,559,145,605.17
  5. Step 5: Solve for x
    x = 563,559,145,605.17/857,843.11
  6. Step 6: Final answer
    x = 656,948.97

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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.