Home / 843,375.85-1,163,855.18-456,191.49

Finding the Fourth Proportional to 843,375.85, 1,163,855.18 and 456,191.49

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Solution

The fourth proportional to 843,375.85, 1,163,855.18 and 456,191.49 is: 629,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,375.85 : 1,163,855.18 = 456,191.49 : x
  2. Step 2: Convert to fraction form
    843,375.85/1,163,855.18 = 456,191.49/x
  3. Step 3: Cross multiply
    843,375.85x = 1,163,855.18 × 456,191.49
  4. Step 4: Simplify right side
    843,375.85x = 530,940,834,213.35
  5. Step 5: Solve for x
    x = 530,940,834,213.35/843,375.85
  6. Step 6: Final answer
    x = 629,542.38

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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.