Home / 703,272.20-1,054,217.10-628,622.60

Finding the Fourth Proportional to 703,272.20, 1,054,217.10 and 628,622.60

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Solution

The fourth proportional to 703,272.20, 1,054,217.10 and 628,622.60 is: 942,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,272.20 : 1,054,217.10 = 628,622.60 : x
  2. Step 2: Convert to fraction form
    703,272.20/1,054,217.10 = 628,622.60/x
  3. Step 3: Cross multiply
    703,272.20x = 1,054,217.10 × 628,622.60
  4. Step 4: Simplify right side
    703,272.20x = 662,704,694,366.46
  5. Step 5: Solve for x
    x = 662,704,694,366.46/703,272.20
  6. Step 6: Final answer
    x = 942,316.07

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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.