Home / 949,738.12-1,310,633.82-520,010.44

Finding the Fourth Proportional to 949,738.12, 1,310,633.82 and 520,010.44

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Solution

The fourth proportional to 949,738.12, 1,310,633.82 and 520,010.44 is: 717,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,738.12 : 1,310,633.82 = 520,010.44 : x
  2. Step 2: Convert to fraction form
    949,738.12/1,310,633.82 = 520,010.44/x
  3. Step 3: Cross multiply
    949,738.12x = 1,310,633.82 × 520,010.44
  4. Step 4: Simplify right side
    949,738.12x = 681,543,269,417.08
  5. Step 5: Solve for x
    x = 681,543,269,417.08/949,738.12
  6. Step 6: Final answer
    x = 717,611.79

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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.