Home / 465,111.34-641,845.48-261,163.87

Finding the Fourth Proportional to 465,111.34, 641,845.48 and 261,163.87

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Solution

The fourth proportional to 465,111.34, 641,845.48 and 261,163.87 is: 360,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,111.34 : 641,845.48 = 261,163.87 : x
  2. Step 2: Convert to fraction form
    465,111.34/641,845.48 = 261,163.87/x
  3. Step 3: Cross multiply
    465,111.34x = 641,845.48 × 261,163.87
  4. Step 4: Simplify right side
    465,111.34x = 167,626,849,498.81
  5. Step 5: Solve for x
    x = 167,626,849,498.81/465,111.34
  6. Step 6: Final answer
    x = 360,401.55

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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.