Home / 1,613,201.25-2,419,791.10-653,642.70

Finding the Fourth Proportional to 1,613,201.25, 2,419,791.10 and 653,642.70

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Solution

The fourth proportional to 1,613,201.25, 2,419,791.10 and 653,642.70 is: 980,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,201.25 : 2,419,791.10 = 653,642.70 : x
  2. Step 2: Convert to fraction form
    1,613,201.25/2,419,791.10 = 653,642.70/x
  3. Step 3: Cross multiply
    1,613,201.25x = 2,419,791.10 × 653,642.70
  4. Step 4: Simplify right side
    1,613,201.25x = 1,581,678,775,941.01
  5. Step 5: Solve for x
    x = 1,581,678,775,941.01/1,613,201.25
  6. Step 6: Final answer
    x = 980,459.68

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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.