Home / 1,197,428.05-1,651,712.72-853,375.36

Finding the Fourth Proportional to 1,197,428.05, 1,651,712.72 and 853,375.36

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Solution

The fourth proportional to 1,197,428.05, 1,651,712.72 and 853,375.36 is: 1,177,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,428.05 : 1,651,712.72 = 853,375.36 : x
  2. Step 2: Convert to fraction form
    1,197,428.05/1,651,712.72 = 853,375.36/x
  3. Step 3: Cross multiply
    1,197,428.05x = 1,651,712.72 × 853,375.36
  4. Step 4: Simplify right side
    1,197,428.05x = 1,409,530,928,788.02
  5. Step 5: Solve for x
    x = 1,409,530,928,788.02/1,197,428.05
  6. Step 6: Final answer
    x = 1,177,132.04

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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.