Home / 1,289,744.67-1,934,614.68-343,115.37

Finding the Fourth Proportional to 1,289,744.67, 1,934,614.68 and 343,115.37

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Solution

The fourth proportional to 1,289,744.67, 1,934,614.68 and 343,115.37 is: 514,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,744.67 : 1,934,614.68 = 343,115.37 : x
  2. Step 2: Convert to fraction form
    1,289,744.67/1,934,614.68 = 343,115.37/x
  3. Step 3: Cross multiply
    1,289,744.67x = 1,934,614.68 × 343,115.37
  4. Step 4: Simplify right side
    1,289,744.67x = 663,796,031,735.63
  5. Step 5: Solve for x
    x = 663,796,031,735.63/1,289,744.67
  6. Step 6: Final answer
    x = 514,672.44

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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.