Home / 1,191,974.05-1,788,016.17-393,325.39

Finding the Fourth Proportional to 1,191,974.05, 1,788,016.17 and 393,325.39

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Solution

The fourth proportional to 1,191,974.05, 1,788,016.17 and 393,325.39 is: 590,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,974.05 : 1,788,016.17 = 393,325.39 : x
  2. Step 2: Convert to fraction form
    1,191,974.05/1,788,016.17 = 393,325.39/x
  3. Step 3: Cross multiply
    1,191,974.05x = 1,788,016.17 × 393,325.39
  4. Step 4: Simplify right side
    1,191,974.05x = 703,272,157,391.56
  5. Step 5: Solve for x
    x = 703,272,157,391.56/1,191,974.05
  6. Step 6: Final answer
    x = 590,006.27

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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.