Home / 853,176.59-1,279,764.89-254,122.17

Finding the Fourth Proportional to 853,176.59, 1,279,764.89 and 254,122.17

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Solution

The fourth proportional to 853,176.59, 1,279,764.89 and 254,122.17 is: 381,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,176.59 : 1,279,764.89 = 254,122.17 : x
  2. Step 2: Convert to fraction form
    853,176.59/1,279,764.89 = 254,122.17/x
  3. Step 3: Cross multiply
    853,176.59x = 1,279,764.89 × 254,122.17
  4. Step 4: Simplify right side
    853,176.59x = 325,216,629,666.00
  5. Step 5: Solve for x
    x = 325,216,629,666.00/853,176.59
  6. Step 6: Final answer
    x = 381,183.26

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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.