Home / 815,733.40-1,222,404.90-731,493.40

Finding the Fourth Proportional to 815,733.40, 1,222,404.90 and 731,493.40

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Solution

The fourth proportional to 815,733.40, 1,222,404.90 and 731,493.40 is: 1,096,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,733.40 : 1,222,404.90 = 731,493.40 : x
  2. Step 2: Convert to fraction form
    815,733.40/1,222,404.90 = 731,493.40/x
  3. Step 3: Cross multiply
    815,733.40x = 1,222,404.90 × 731,493.40
  4. Step 4: Simplify right side
    815,733.40x = 894,181,116,477.66
  5. Step 5: Solve for x
    x = 894,181,116,477.66/815,733.40
  6. Step 6: Final answer
    x = 1,096,168.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.