Home / 1,327,631.94-1,989,564.39-1,022,873.22

Finding the Fourth Proportional to 1,327,631.94, 1,989,564.39 and 1,022,873.22

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Solution

The fourth proportional to 1,327,631.94, 1,989,564.39 and 1,022,873.22 is: 1,532,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,631.94 : 1,989,564.39 = 1,022,873.22 : x
  2. Step 2: Convert to fraction form
    1,327,631.94/1,989,564.39 = 1,022,873.22/x
  3. Step 3: Cross multiply
    1,327,631.94x = 1,989,564.39 × 1,022,873.22
  4. Step 4: Simplify right side
    1,327,631.94x = 2,035,072,133,996.64
  5. Step 5: Solve for x
    x = 2,035,072,133,996.64/1,327,631.94
  6. Step 6: Final answer
    x = 1,532,858.67

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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.