Home / 447,983.17-671,636.82-270,447.95

Finding the Fourth Proportional to 447,983.17, 671,636.82 and 270,447.95

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Solution

The fourth proportional to 447,983.17, 671,636.82 and 270,447.95 is: 405,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,983.17 : 671,636.82 = 270,447.95 : x
  2. Step 2: Convert to fraction form
    447,983.17/671,636.82 = 270,447.95/x
  3. Step 3: Cross multiply
    447,983.17x = 671,636.82 × 270,447.95
  4. Step 4: Simplify right side
    447,983.17x = 181,642,801,113.52
  5. Step 5: Solve for x
    x = 181,642,801,113.52/447,983.17
  6. Step 6: Final answer
    x = 405,467.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.