Home / 481,715.39-664,769.77-272,164.22

Finding the Fourth Proportional to 481,715.39, 664,769.77 and 272,164.22

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Solution

The fourth proportional to 481,715.39, 664,769.77 and 272,164.22 is: 375,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,715.39 : 664,769.77 = 272,164.22 : x
  2. Step 2: Convert to fraction form
    481,715.39/664,769.77 = 272,164.22/x
  3. Step 3: Cross multiply
    481,715.39x = 664,769.77 × 272,164.22
  4. Step 4: Simplify right side
    481,715.39x = 180,926,541,927.37
  5. Step 5: Solve for x
    x = 180,926,541,927.37/481,715.39
  6. Step 6: Final answer
    x = 375,588.05

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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.