Home / 464,945.14-641,645.61-258,214.48

Finding the Fourth Proportional to 464,945.14, 641,645.61 and 258,214.48

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Solution

The fourth proportional to 464,945.14, 641,645.61 and 258,214.48 is: 356,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,945.14 : 641,645.61 = 258,214.48 : x
  2. Step 2: Convert to fraction form
    464,945.14/641,645.61 = 258,214.48/x
  3. Step 3: Cross multiply
    464,945.14x = 641,645.61 × 258,214.48
  4. Step 4: Simplify right side
    464,945.14x = 165,682,184,958.01
  5. Step 5: Solve for x
    x = 165,682,184,958.01/464,945.14
  6. Step 6: Final answer
    x = 356,347.81

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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.