Home / 374,853.72-517,311.05-205,087.85

Finding the Fourth Proportional to 374,853.72, 517,311.05 and 205,087.85

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Solution

The fourth proportional to 374,853.72, 517,311.05 and 205,087.85 is: 283,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,853.72 : 517,311.05 = 205,087.85 : x
  2. Step 2: Convert to fraction form
    374,853.72/517,311.05 = 205,087.85/x
  3. Step 3: Cross multiply
    374,853.72x = 517,311.05 × 205,087.85
  4. Step 4: Simplify right side
    374,853.72x = 106,094,211,025.74
  5. Step 5: Solve for x
    x = 106,094,211,025.74/374,853.72
  6. Step 6: Final answer
    x = 283,028.30

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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.