Home / 949,943.92-1,310,926.80-520,227.04

Finding the Fourth Proportional to 949,943.92, 1,310,926.80 and 520,227.04

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Solution

The fourth proportional to 949,943.92, 1,310,926.80 and 520,227.04 is: 717,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,943.92 : 1,310,926.80 = 520,227.04 : x
  2. Step 2: Convert to fraction form
    949,943.92/1,310,926.80 = 520,227.04/x
  3. Step 3: Cross multiply
    949,943.92x = 1,310,926.80 × 520,227.04
  4. Step 4: Simplify right side
    949,943.92x = 681,979,568,820.67
  5. Step 5: Solve for x
    x = 681,979,568,820.67/949,943.92
  6. Step 6: Final answer
    x = 717,915.61

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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.