Home / 1,115,890.20-1,539,943.79-606,603.51

Finding the Fourth Proportional to 1,115,890.20, 1,539,943.79 and 606,603.51

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Solution

The fourth proportional to 1,115,890.20, 1,539,943.79 and 606,603.51 is: 837,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,890.20 : 1,539,943.79 = 606,603.51 : x
  2. Step 2: Convert to fraction form
    1,115,890.20/1,539,943.79 = 606,603.51/x
  3. Step 3: Cross multiply
    1,115,890.20x = 1,539,943.79 × 606,603.51
  4. Step 4: Simplify right side
    1,115,890.20x = 934,135,305,183.69
  5. Step 5: Solve for x
    x = 934,135,305,183.69/1,115,890.20
  6. Step 6: Final answer
    x = 837,121.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.