Home / 465,921.05-641,384.33-344,834.15

Finding the Fourth Proportional to 465,921.05, 641,384.33 and 344,834.15

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Solution

The fourth proportional to 465,921.05, 641,384.33 and 344,834.15 is: 474,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,921.05 : 641,384.33 = 344,834.15 : x
  2. Step 2: Convert to fraction form
    465,921.05/641,384.33 = 344,834.15/x
  3. Step 3: Cross multiply
    465,921.05x = 641,384.33 × 344,834.15
  4. Step 4: Simplify right side
    465,921.05x = 221,171,215,327.78
  5. Step 5: Solve for x
    x = 221,171,215,327.78/465,921.05
  6. Step 6: Final answer
    x = 474,696.77

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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.