Home / 811,077.51-1,119,292.77-443,556.27

Finding the Fourth Proportional to 811,077.51, 1,119,292.77 and 443,556.27

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Solution

The fourth proportional to 811,077.51, 1,119,292.77 and 443,556.27 is: 612,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,077.51 : 1,119,292.77 = 443,556.27 : x
  2. Step 2: Convert to fraction form
    811,077.51/1,119,292.77 = 443,556.27/x
  3. Step 3: Cross multiply
    811,077.51x = 1,119,292.77 × 443,556.27
  4. Step 4: Simplify right side
    811,077.51x = 496,469,326,099.17
  5. Step 5: Solve for x
    x = 496,469,326,099.17/811,077.51
  6. Step 6: Final answer
    x = 612,110.83

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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.