Home / 1,138,603.92-1,707,847.56-339,892.08

Finding the Fourth Proportional to 1,138,603.92, 1,707,847.56 and 339,892.08

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Solution

The fourth proportional to 1,138,603.92, 1,707,847.56 and 339,892.08 is: 509,820.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,603.92 : 1,707,847.56 = 339,892.08 : x
  2. Step 2: Convert to fraction form
    1,138,603.92/1,707,847.56 = 339,892.08/x
  3. Step 3: Cross multiply
    1,138,603.92x = 1,707,847.56 × 339,892.08
  4. Step 4: Simplify right side
    1,138,603.92x = 580,483,859,491.33
  5. Step 5: Solve for x
    x = 580,483,859,491.33/1,138,603.92
  6. Step 6: Final answer
    x = 509,820.71

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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.