Home / 836,001.60-1,253,607.39-323,906.64

Finding the Fourth Proportional to 836,001.60, 1,253,607.39 and 323,906.64

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Solution

The fourth proportional to 836,001.60, 1,253,607.39 and 323,906.64 is: 485,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,001.60 : 1,253,607.39 = 323,906.64 : x
  2. Step 2: Convert to fraction form
    836,001.60/1,253,607.39 = 323,906.64/x
  3. Step 3: Cross multiply
    836,001.60x = 1,253,607.39 × 323,906.64
  4. Step 4: Simplify right side
    836,001.60x = 406,051,757,574.07
  5. Step 5: Solve for x
    x = 406,051,757,574.07/836,001.60
  6. Step 6: Final answer
    x = 485,706.91

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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.