Home / 476,500.44-657,131.40-323,767.20

Finding the Fourth Proportional to 476,500.44, 657,131.40 and 323,767.20

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Solution

The fourth proportional to 476,500.44, 657,131.40 and 323,767.20 is: 446,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,500.44 : 657,131.40 = 323,767.20 : x
  2. Step 2: Convert to fraction form
    476,500.44/657,131.40 = 323,767.20/x
  3. Step 3: Cross multiply
    476,500.44x = 657,131.40 × 323,767.20
  4. Step 4: Simplify right side
    476,500.44x = 212,757,593,410.08
  5. Step 5: Solve for x
    x = 212,757,593,410.08/476,500.44
  6. Step 6: Final answer
    x = 446,500.31

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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.