Home / 1,099,143.44-1,648,747.62-938,204.67

Finding the Fourth Proportional to 1,099,143.44, 1,648,747.62 and 938,204.67

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Solution

The fourth proportional to 1,099,143.44, 1,648,747.62 and 938,204.67 is: 1,407,334.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,143.44 : 1,648,747.62 = 938,204.67 : x
  2. Step 2: Convert to fraction form
    1,099,143.44/1,648,747.62 = 938,204.67/x
  3. Step 3: Cross multiply
    1,099,143.44x = 1,648,747.62 × 938,204.67
  4. Step 4: Simplify right side
    1,099,143.44x = 1,546,862,716,735.39
  5. Step 5: Solve for x
    x = 1,546,862,716,735.39/1,099,143.44
  6. Step 6: Final answer
    x = 1,407,334.72

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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.