Home / 455,171.04-682,203.60-322,090.20

Finding the Fourth Proportional to 455,171.04, 682,203.60 and 322,090.20

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Solution

The fourth proportional to 455,171.04, 682,203.60 and 322,090.20 is: 482,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,171.04 : 682,203.60 = 322,090.20 : x
  2. Step 2: Convert to fraction form
    455,171.04/682,203.60 = 322,090.20/x
  3. Step 3: Cross multiply
    455,171.04x = 682,203.60 × 322,090.20
  4. Step 4: Simplify right side
    455,171.04x = 219,731,093,964.72
  5. Step 5: Solve for x
    x = 219,731,093,964.72/455,171.04
  6. Step 6: Final answer
    x = 482,744.01

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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.