Home / 853,217.33-1,177,339.20-471,221.33

Finding the Fourth Proportional to 853,217.33, 1,177,339.20 and 471,221.33

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Solution

The fourth proportional to 853,217.33, 1,177,339.20 and 471,221.33 is: 650,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,217.33 : 1,177,339.20 = 471,221.33 : x
  2. Step 2: Convert to fraction form
    853,217.33/1,177,339.20 = 471,221.33/x
  3. Step 3: Cross multiply
    853,217.33x = 1,177,339.20 × 471,221.33
  4. Step 4: Simplify right side
    853,217.33x = 554,787,343,685.14
  5. Step 5: Solve for x
    x = 554,787,343,685.14/853,217.33
  6. Step 6: Final answer
    x = 650,229.81

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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.