Home / 447,120.82-617,098.62-263,389.06

Finding the Fourth Proportional to 447,120.82, 617,098.62 and 263,389.06

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Solution

The fourth proportional to 447,120.82, 617,098.62 and 263,389.06 is: 363,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,120.82 : 617,098.62 = 263,389.06 : x
  2. Step 2: Convert to fraction form
    447,120.82/617,098.62 = 263,389.06/x
  3. Step 3: Cross multiply
    447,120.82x = 617,098.62 × 263,389.06
  4. Step 4: Simplify right side
    447,120.82x = 162,537,025,449.10
  5. Step 5: Solve for x
    x = 162,537,025,449.10/447,120.82
  6. Step 6: Final answer
    x = 363,519.25

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1.5x scale

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.