Home / 447,122.82-617,101.38-263,391.06

Finding the Fourth Proportional to 447,122.82, 617,101.38 and 263,391.06

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Solution

The fourth proportional to 447,122.82, 617,101.38 and 263,391.06 is: 363,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,122.82 : 617,101.38 = 263,391.06 : x
  2. Step 2: Convert to fraction form
    447,122.82/617,101.38 = 263,391.06/x
  3. Step 3: Cross multiply
    447,122.82x = 617,101.38 × 263,391.06
  4. Step 4: Simplify right side
    447,122.82x = 162,538,986,605.66
  5. Step 5: Solve for x
    x = 162,538,986,605.66/447,122.82
  6. Step 6: Final answer
    x = 363,522.01

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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.