Home / 1,237,911.45-1,857,147.23-439,193.94

Finding the Fourth Proportional to 1,237,911.45, 1,857,147.23 and 439,193.94

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Solution

The fourth proportional to 1,237,911.45, 1,857,147.23 and 439,193.94 is: 658,890.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,911.45 : 1,857,147.23 = 439,193.94 : x
  2. Step 2: Convert to fraction form
    1,237,911.45/1,857,147.23 = 439,193.94/x
  3. Step 3: Cross multiply
    1,237,911.45x = 1,857,147.23 × 439,193.94
  4. Step 4: Simplify right side
    1,237,911.45x = 815,647,809,103.79
  5. Step 5: Solve for x
    x = 815,647,809,103.79/1,237,911.45
  6. Step 6: Final answer
    x = 658,890.27

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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.