Home / 703,287.20-1,054,239.60-628,637.60

Finding the Fourth Proportional to 703,287.20, 1,054,239.60 and 628,637.60

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Solution

The fourth proportional to 703,287.20, 1,054,239.60 and 628,637.60 is: 942,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,287.20 : 1,054,239.60 = 628,637.60 : x
  2. Step 2: Convert to fraction form
    703,287.20/1,054,239.60 = 628,637.60/x
  3. Step 3: Cross multiply
    703,287.20x = 1,054,239.60 × 628,637.60
  4. Step 4: Simplify right side
    703,287.20x = 662,734,651,968.96
  5. Step 5: Solve for x
    x = 662,734,651,968.96/703,287.20
  6. Step 6: Final answer
    x = 942,338.57

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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.