Home / 816,103.08-1,126,249.60-453,542.22

Finding the Fourth Proportional to 816,103.08, 1,126,249.60 and 453,542.22

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Solution

The fourth proportional to 816,103.08, 1,126,249.60 and 453,542.22 is: 625,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,103.08 : 1,126,249.60 = 453,542.22 : x
  2. Step 2: Convert to fraction form
    816,103.08/1,126,249.60 = 453,542.22/x
  3. Step 3: Cross multiply
    816,103.08x = 1,126,249.60 × 453,542.22
  4. Step 4: Simplify right side
    816,103.08x = 510,801,743,858.11
  5. Step 5: Solve for x
    x = 510,801,743,858.11/816,103.08
  6. Step 6: Final answer
    x = 625,903.46

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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.