Home / 374,853.85-517,311.23-205,087.97

Finding the Fourth Proportional to 374,853.85, 517,311.23 and 205,087.97

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Solution

The fourth proportional to 374,853.85, 517,311.23 and 205,087.97 is: 283,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,853.85 : 517,311.23 = 205,087.97 : x
  2. Step 2: Convert to fraction form
    374,853.85/517,311.23 = 205,087.97/x
  3. Step 3: Cross multiply
    374,853.85x = 517,311.23 × 205,087.97
  4. Step 4: Simplify right side
    374,853.85x = 106,094,310,286.74
  5. Step 5: Solve for x
    x = 106,094,310,286.74/374,853.85
  6. Step 6: Final answer
    x = 283,028.47

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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.