Home / 1,099,105.89-1,516,850.27-691,557.07

Finding the Fourth Proportional to 1,099,105.89, 1,516,850.27 and 691,557.07

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Solution

The fourth proportional to 1,099,105.89, 1,516,850.27 and 691,557.07 is: 954,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,105.89 : 1,516,850.27 = 691,557.07 : x
  2. Step 2: Convert to fraction form
    1,099,105.89/1,516,850.27 = 691,557.07/x
  3. Step 3: Cross multiply
    1,099,105.89x = 1,516,850.27 × 691,557.07
  4. Step 4: Simplify right side
    1,099,105.89x = 1,048,988,530,678.20
  5. Step 5: Solve for x
    x = 1,048,988,530,678.20/1,099,105.89
  6. Step 6: Final answer
    x = 954,401.70

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1.5x scale

Why These Related Problems?

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