Home / 467,912.77-645,725.90-263,963.06

Finding the Fourth Proportional to 467,912.77, 645,725.90 and 263,963.06

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Solution

The fourth proportional to 467,912.77, 645,725.90 and 263,963.06 is: 364,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,912.77 : 645,725.90 = 263,963.06 : x
  2. Step 2: Convert to fraction form
    467,912.77/645,725.90 = 263,963.06/x
  3. Step 3: Cross multiply
    467,912.77x = 645,725.90 × 263,963.06
  4. Step 4: Simplify right side
    467,912.77x = 170,447,785,477.58
  5. Step 5: Solve for x
    x = 170,447,785,477.58/467,912.77
  6. Step 6: Final answer
    x = 364,272.56

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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.