Home / 451,207.20-622,858.04-304,064.34

Finding the Fourth Proportional to 451,207.20, 622,858.04 and 304,064.34

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Solution

The fourth proportional to 451,207.20, 622,858.04 and 304,064.34 is: 419,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,207.20 : 622,858.04 = 304,064.34 : x
  2. Step 2: Convert to fraction form
    451,207.20/622,858.04 = 304,064.34/x
  3. Step 3: Cross multiply
    451,207.20x = 622,858.04 × 304,064.34
  4. Step 4: Simplify right side
    451,207.20x = 189,388,918,846.29
  5. Step 5: Solve for x
    x = 189,388,918,846.29/451,207.20
  6. Step 6: Final answer
    x = 419,738.25

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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.