Home / 476,865.24-658,064.70-261,999.78

Finding the Fourth Proportional to 476,865.24, 658,064.70 and 261,999.78

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Solution

The fourth proportional to 476,865.24, 658,064.70 and 261,999.78 is: 361,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,865.24 : 658,064.70 = 261,999.78 : x
  2. Step 2: Convert to fraction form
    476,865.24/658,064.70 = 261,999.78/x
  3. Step 3: Cross multiply
    476,865.24x = 658,064.70 × 261,999.78
  4. Step 4: Simplify right side
    476,865.24x = 172,412,806,625.77
  5. Step 5: Solve for x
    x = 172,412,806,625.77/476,865.24
  6. Step 6: Final answer
    x = 361,554.57

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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.