Home / 572,997.22-790,760.77-318,348.41

Finding the Fourth Proportional to 572,997.22, 790,760.77 and 318,348.41

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Solution

The fourth proportional to 572,997.22, 790,760.77 and 318,348.41 is: 439,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,997.22 : 790,760.77 = 318,348.41 : x
  2. Step 2: Convert to fraction form
    572,997.22/790,760.77 = 318,348.41/x
  3. Step 3: Cross multiply
    572,997.22x = 790,760.77 × 318,348.41
  4. Step 4: Simplify right side
    572,997.22x = 251,737,429,866.07
  5. Step 5: Solve for x
    x = 251,737,429,866.07/572,997.22
  6. Step 6: Final answer
    x = 439,334.47

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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.