Home / 439,519.66-606,540.77-238,315.66

Finding the Fourth Proportional to 439,519.66, 606,540.77 and 238,315.66

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Solution

The fourth proportional to 439,519.66, 606,540.77 and 238,315.66 is: 328,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,519.66 : 606,540.77 = 238,315.66 : x
  2. Step 2: Convert to fraction form
    439,519.66/606,540.77 = 238,315.66/x
  3. Step 3: Cross multiply
    439,519.66x = 606,540.77 × 238,315.66
  4. Step 4: Simplify right side
    439,519.66x = 144,548,163,919.46
  5. Step 5: Solve for x
    x = 144,548,163,919.46/439,519.66
  6. Step 6: Final answer
    x = 328,877.58

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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.