Home / 465,897.51-642,961.25-262,012.61

Finding the Fourth Proportional to 465,897.51, 642,961.25 and 262,012.61

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Solution

The fourth proportional to 465,897.51, 642,961.25 and 262,012.61 is: 361,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,897.51 : 642,961.25 = 262,012.61 : x
  2. Step 2: Convert to fraction form
    465,897.51/642,961.25 = 262,012.61/x
  3. Step 3: Cross multiply
    465,897.51x = 642,961.25 × 262,012.61
  4. Step 4: Simplify right side
    465,897.51x = 168,463,950,716.49
  5. Step 5: Solve for x
    x = 168,463,950,716.49/465,897.51
  6. Step 6: Final answer
    x = 361,590.15

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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.