Home / 349,566.60-523,961.10-191,908.20

Finding the Fourth Proportional to 349,566.60, 523,961.10 and 191,908.20

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Solution

The fourth proportional to 349,566.60, 523,961.10 and 191,908.20 is: 287,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,566.60 : 523,961.10 = 191,908.20 : x
  2. Step 2: Convert to fraction form
    349,566.60/523,961.10 = 191,908.20/x
  3. Step 3: Cross multiply
    349,566.60x = 523,961.10 × 191,908.20
  4. Step 4: Simplify right side
    349,566.60x = 100,552,431,571.02
  5. Step 5: Solve for x
    x = 100,552,431,571.02/349,566.60
  6. Step 6: Final answer
    x = 287,648.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.