Home / 482,708.15-666,135.07-267,847.76

Finding the Fourth Proportional to 482,708.15, 666,135.07 and 267,847.76

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Solution

The fourth proportional to 482,708.15, 666,135.07 and 267,847.76 is: 369,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,708.15 : 666,135.07 = 267,847.76 : x
  2. Step 2: Convert to fraction form
    482,708.15/666,135.07 = 267,847.76/x
  3. Step 3: Cross multiply
    482,708.15x = 666,135.07 × 267,847.76
  4. Step 4: Simplify right side
    482,708.15x = 178,422,782,356.65
  5. Step 5: Solve for x
    x = 178,422,782,356.65/482,708.15
  6. Step 6: Final answer
    x = 369,628.69

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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.