Home / 465,835.23-642,875.42-261,950.33

Finding the Fourth Proportional to 465,835.23, 642,875.42 and 261,950.33

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Solution

The fourth proportional to 465,835.23, 642,875.42 and 261,950.33 is: 361,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,835.23 : 642,875.42 = 261,950.33 : x
  2. Step 2: Convert to fraction form
    465,835.23/642,875.42 = 261,950.33/x
  3. Step 3: Cross multiply
    465,835.23x = 642,875.42 × 261,950.33
  4. Step 4: Simplify right side
    465,835.23x = 168,401,430,679.95
  5. Step 5: Solve for x
    x = 168,401,430,679.95/465,835.23
  6. Step 6: Final answer
    x = 361,504.28

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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.