Home / 465,835.86-642,876.29-261,950.96

Finding the Fourth Proportional to 465,835.86, 642,876.29 and 261,950.96

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Solution

The fourth proportional to 465,835.86, 642,876.29 and 261,950.96 is: 361,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,835.86 : 642,876.29 = 261,950.96 : x
  2. Step 2: Convert to fraction form
    465,835.86/642,876.29 = 261,950.96/x
  3. Step 3: Cross multiply
    465,835.86x = 642,876.29 × 261,950.96
  4. Step 4: Simplify right side
    465,835.86x = 168,402,061,326.74
  5. Step 5: Solve for x
    x = 168,402,061,326.74/465,835.86
  6. Step 6: Final answer
    x = 361,505.15

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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.