Home / 447,976.64-671,627.09-270,441.45

Finding the Fourth Proportional to 447,976.64, 671,627.09 and 270,441.45

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Solution

The fourth proportional to 447,976.64, 671,627.09 and 270,441.45 is: 405,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,976.64 : 671,627.09 = 270,441.45 : x
  2. Step 2: Convert to fraction form
    447,976.64/671,627.09 = 270,441.45/x
  3. Step 3: Cross multiply
    447,976.64x = 671,627.09 × 270,441.45
  4. Step 4: Simplify right side
    447,976.64x = 181,635,804,754.98
  5. Step 5: Solve for x
    x = 181,635,804,754.98/447,976.64
  6. Step 6: Final answer
    x = 405,458.20

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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.