Home / 476,079.56-657,172.64-323,186.09

Finding the Fourth Proportional to 476,079.56, 657,172.64 and 323,186.09

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Solution

The fourth proportional to 476,079.56, 657,172.64 and 323,186.09 is: 446,120.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,079.56 : 657,172.64 = 323,186.09 : x
  2. Step 2: Convert to fraction form
    476,079.56/657,172.64 = 323,186.09/x
  3. Step 3: Cross multiply
    476,079.56x = 657,172.64 × 323,186.09
  4. Step 4: Simplify right side
    476,079.56x = 212,389,053,498.68
  5. Step 5: Solve for x
    x = 212,389,053,498.68/476,079.56
  6. Step 6: Final answer
    x = 446,120.93

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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.