Home / 816,408.60-1,126,562.22-472,218.54

Finding the Fourth Proportional to 816,408.60, 1,126,562.22 and 472,218.54

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Solution

The fourth proportional to 816,408.60, 1,126,562.22 and 472,218.54 is: 651,614.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,408.60 : 1,126,562.22 = 472,218.54 : x
  2. Step 2: Convert to fraction form
    816,408.60/1,126,562.22 = 472,218.54/x
  3. Step 3: Cross multiply
    816,408.60x = 1,126,562.22 × 472,218.54
  4. Step 4: Simplify right side
    816,408.60x = 531,983,566,747.56
  5. Step 5: Solve for x
    x = 531,983,566,747.56/816,408.60
  6. Step 6: Final answer
    x = 651,614.36

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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.