Home / 447,356.88-617,149.04-265,965.90

Finding the Fourth Proportional to 447,356.88, 617,149.04 and 265,965.90

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Solution

The fourth proportional to 447,356.88, 617,149.04 and 265,965.90 is: 366,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,356.88 : 617,149.04 = 265,965.90 : x
  2. Step 2: Convert to fraction form
    447,356.88/617,149.04 = 265,965.90/x
  3. Step 3: Cross multiply
    447,356.88x = 617,149.04 × 265,965.90
  4. Step 4: Simplify right side
    447,356.88x = 164,140,599,857.74
  5. Step 5: Solve for x
    x = 164,140,599,857.74/447,356.88
  6. Step 6: Final answer
    x = 366,911.98

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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.