Home / 949,823.21-1,310,753.85-520,099.58

Finding the Fourth Proportional to 949,823.21, 1,310,753.85 and 520,099.58

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Solution

The fourth proportional to 949,823.21, 1,310,753.85 and 520,099.58 is: 717,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,823.21 : 1,310,753.85 = 520,099.58 : x
  2. Step 2: Convert to fraction form
    949,823.21/1,310,753.85 = 520,099.58/x
  3. Step 3: Cross multiply
    949,823.21x = 1,310,753.85 × 520,099.58
  4. Step 4: Simplify right side
    949,823.21x = 681,722,528,194.89
  5. Step 5: Solve for x
    x = 681,722,528,194.89/949,823.21
  6. Step 6: Final answer
    x = 717,736.23

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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.