Home / 417,982.27-626,997.09-133,697.77

Finding the Fourth Proportional to 417,982.27, 626,997.09 and 133,697.77

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Solution

The fourth proportional to 417,982.27, 626,997.09 and 133,697.77 is: 200,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,982.27 : 626,997.09 = 133,697.77 : x
  2. Step 2: Convert to fraction form
    417,982.27/626,997.09 = 133,697.77/x
  3. Step 3: Cross multiply
    417,982.27x = 626,997.09 × 133,697.77
  4. Step 4: Simplify right side
    417,982.27x = 83,828,112,729.49
  5. Step 5: Solve for x
    x = 83,828,112,729.49/417,982.27
  6. Step 6: Final answer
    x = 200,554.23

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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.