Home / 465,008.16-641,634.78-273,995.58

Finding the Fourth Proportional to 465,008.16, 641,634.78 and 273,995.58

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Solution

The fourth proportional to 465,008.16, 641,634.78 and 273,995.58 is: 378,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,008.16 : 641,634.78 = 273,995.58 : x
  2. Step 2: Convert to fraction form
    465,008.16/641,634.78 = 273,995.58/x
  3. Step 3: Cross multiply
    465,008.16x = 641,634.78 × 273,995.58
  4. Step 4: Simplify right side
    465,008.16x = 175,805,093,694.27
  5. Step 5: Solve for x
    x = 175,805,093,694.27/465,008.16
  6. Step 6: Final answer
    x = 378,068.84

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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.