Home / 814,379.69-1,123,850.75-451,827.33

Finding the Fourth Proportional to 814,379.69, 1,123,850.75 and 451,827.33

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Solution

The fourth proportional to 814,379.69, 1,123,850.75 and 451,827.33 is: 623,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,379.69 : 1,123,850.75 = 451,827.33 : x
  2. Step 2: Convert to fraction form
    814,379.69/1,123,850.75 = 451,827.33/x
  3. Step 3: Cross multiply
    814,379.69x = 1,123,850.75 × 451,827.33
  4. Step 4: Simplify right side
    814,379.69x = 507,786,481,431.86
  5. Step 5: Solve for x
    x = 507,786,481,431.86/814,379.69
  6. Step 6: Final answer
    x = 623,525.48

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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.