Home / 547,936.14-756,149.28-306,218.58

Finding the Fourth Proportional to 547,936.14, 756,149.28 and 306,218.58

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Solution

The fourth proportional to 547,936.14, 756,149.28 and 306,218.58 is: 422,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,936.14 : 756,149.28 = 306,218.58 : x
  2. Step 2: Convert to fraction form
    547,936.14/756,149.28 = 306,218.58/x
  3. Step 3: Cross multiply
    547,936.14x = 756,149.28 × 306,218.58
  4. Step 4: Simplify right side
    547,936.14x = 231,546,954,805.74
  5. Step 5: Solve for x
    x = 231,546,954,805.74/547,936.14
  6. Step 6: Final answer
    x = 422,580.18

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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.