Home / 307,961.10-461,941.65-275,301.90

Finding the Fourth Proportional to 307,961.10, 461,941.65 and 275,301.90

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Solution

The fourth proportional to 307,961.10, 461,941.65 and 275,301.90 is: 412,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,961.10 : 461,941.65 = 275,301.90 : x
  2. Step 2: Convert to fraction form
    307,961.10/461,941.65 = 275,301.90/x
  3. Step 3: Cross multiply
    307,961.10x = 461,941.65 × 275,301.90
  4. Step 4: Simplify right side
    307,961.10x = 127,173,413,934.14
  5. Step 5: Solve for x
    x = 127,173,413,934.14/307,961.10
  6. Step 6: Final answer
    x = 412,952.85

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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.