Home / 1,096,198.64-1,512,669.96-666,419.12

Finding the Fourth Proportional to 1,096,198.64, 1,512,669.96 and 666,419.12

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Solution

The fourth proportional to 1,096,198.64, 1,512,669.96 and 666,419.12 is: 919,607.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,198.64 : 1,512,669.96 = 666,419.12 : x
  2. Step 2: Convert to fraction form
    1,096,198.64/1,512,669.96 = 666,419.12/x
  3. Step 3: Cross multiply
    1,096,198.64x = 1,512,669.96 × 666,419.12
  4. Step 4: Simplify right side
    1,096,198.64x = 1,008,072,183,593.64
  5. Step 5: Solve for x
    x = 1,008,072,183,593.64/1,096,198.64
  6. Step 6: Final answer
    x = 919,607.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.