Home / 547,923.66-756,137.43-306,210.27

Finding the Fourth Proportional to 547,923.66, 756,137.43 and 306,210.27

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Solution

The fourth proportional to 547,923.66, 756,137.43 and 306,210.27 is: 422,571.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,923.66 : 756,137.43 = 306,210.27 : x
  2. Step 2: Convert to fraction form
    547,923.66/756,137.43 = 306,210.27/x
  3. Step 3: Cross multiply
    547,923.66x = 756,137.43 × 306,210.27
  4. Step 4: Simplify right side
    547,923.66x = 231,537,046,597.41
  5. Step 5: Solve for x
    x = 231,537,046,597.41/547,923.66
  6. Step 6: Final answer
    x = 422,571.73

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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.