Home / 731,608.56-1,097,189.64-258,183.36

Finding the Fourth Proportional to 731,608.56, 1,097,189.64 and 258,183.36

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Solution

The fourth proportional to 731,608.56, 1,097,189.64 and 258,183.36 is: 387,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,608.56 : 1,097,189.64 = 258,183.36 : x
  2. Step 2: Convert to fraction form
    731,608.56/1,097,189.64 = 258,183.36/x
  3. Step 3: Cross multiply
    731,608.56x = 1,097,189.64 × 258,183.36
  4. Step 4: Simplify right side
    731,608.56x = 283,276,107,812.39
  5. Step 5: Solve for x
    x = 283,276,107,812.39/731,608.56
  6. Step 6: Final answer
    x = 387,196.27

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1.5x scale

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.