Home / 379,411.20-569,126.52-179,684.64

Finding the Fourth Proportional to 379,411.20, 569,126.52 and 179,684.64

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Solution

The fourth proportional to 379,411.20, 569,126.52 and 179,684.64 is: 269,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,411.20 : 569,126.52 = 179,684.64 : x
  2. Step 2: Convert to fraction form
    379,411.20/569,126.52 = 179,684.64/x
  3. Step 3: Cross multiply
    379,411.20x = 569,126.52 × 179,684.64
  4. Step 4: Simplify right side
    379,411.20x = 102,263,293,860.65
  5. Step 5: Solve for x
    x = 102,263,293,860.65/379,411.20
  6. Step 6: Final answer
    x = 269,531.56

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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.