Home / 1,289,741.91-1,934,610.57-343,112.62

Finding the Fourth Proportional to 1,289,741.91, 1,934,610.57 and 343,112.62

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Solution

The fourth proportional to 1,289,741.91, 1,934,610.57 and 343,112.62 is: 514,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,741.91 : 1,934,610.57 = 343,112.62 : x
  2. Step 2: Convert to fraction form
    1,289,741.91/1,934,610.57 = 343,112.62/x
  3. Step 3: Cross multiply
    1,289,741.91x = 1,934,610.57 × 343,112.62
  4. Step 4: Simplify right side
    1,289,741.91x = 663,789,301,352.39
  5. Step 5: Solve for x
    x = 663,789,301,352.39/1,289,741.91
  6. Step 6: Final answer
    x = 514,668.32

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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.