Home / 853,097.06-1,177,279.72-465,902.69

Finding the Fourth Proportional to 853,097.06, 1,177,279.72 and 465,902.69

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Solution

The fourth proportional to 853,097.06, 1,177,279.72 and 465,902.69 is: 642,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,097.06 : 1,177,279.72 = 465,902.69 : x
  2. Step 2: Convert to fraction form
    853,097.06/1,177,279.72 = 465,902.69/x
  3. Step 3: Cross multiply
    853,097.06x = 1,177,279.72 × 465,902.69
  4. Step 4: Simplify right side
    853,097.06x = 548,497,781,379.29
  5. Step 5: Solve for x
    x = 548,497,781,379.29/853,097.06
  6. Step 6: Final answer
    x = 642,948.86

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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.