Home / 413,912.07-620,348.94-176,976.63

Finding the Fourth Proportional to 413,912.07, 620,348.94 and 176,976.63

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Solution

The fourth proportional to 413,912.07, 620,348.94 and 176,976.63 is: 265,242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,912.07 : 620,348.94 = 176,976.63 : x
  2. Step 2: Convert to fraction form
    413,912.07/620,348.94 = 176,976.63/x
  3. Step 3: Cross multiply
    413,912.07x = 620,348.94 × 176,976.63
  4. Step 4: Simplify right side
    413,912.07x = 109,787,264,825.27
  5. Step 5: Solve for x
    x = 109,787,264,825.27/413,912.07
  6. Step 6: Final answer
    x = 265,242.97

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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.