Home / 779,136.23-1,168,556.72-273,578.37

Finding the Fourth Proportional to 779,136.23, 1,168,556.72 and 273,578.37

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Solution

The fourth proportional to 779,136.23, 1,168,556.72 and 273,578.37 is: 410,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,136.23 : 1,168,556.72 = 273,578.37 : x
  2. Step 2: Convert to fraction form
    779,136.23/1,168,556.72 = 273,578.37/x
  3. Step 3: Cross multiply
    779,136.23x = 1,168,556.72 × 273,578.37
  4. Step 4: Simplify right side
    779,136.23x = 319,691,841,342.26
  5. Step 5: Solve for x
    x = 319,691,841,342.26/779,136.23
  6. Step 6: Final answer
    x = 410,315.72

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Double scale
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1.5x scale

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.