Home / 467,841.47-645,620.45-263,891.75

Finding the Fourth Proportional to 467,841.47, 645,620.45 and 263,891.75

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Solution

The fourth proportional to 467,841.47, 645,620.45 and 263,891.75 is: 364,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,841.47 : 645,620.45 = 263,891.75 : x
  2. Step 2: Convert to fraction form
    467,841.47/645,620.45 = 263,891.75/x
  3. Step 3: Cross multiply
    467,841.47x = 645,620.45 × 263,891.75
  4. Step 4: Simplify right side
    467,841.47x = 170,373,905,838.73
  5. Step 5: Solve for x
    x = 170,373,905,838.73/467,841.47
  6. Step 6: Final answer
    x = 364,170.17

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1.5x scale

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.