Home / 1,081,603.62-1,492,447.20-622,629.51

Finding the Fourth Proportional to 1,081,603.62, 1,492,447.20 and 622,629.51

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Solution

The fourth proportional to 1,081,603.62, 1,492,447.20 and 622,629.51 is: 859,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,603.62 : 1,492,447.20 = 622,629.51 : x
  2. Step 2: Convert to fraction form
    1,081,603.62/1,492,447.20 = 622,629.51/x
  3. Step 3: Cross multiply
    1,081,603.62x = 1,492,447.20 × 622,629.51
  4. Step 4: Simplify right side
    1,081,603.62x = 929,241,668,836.87
  5. Step 5: Solve for x
    x = 929,241,668,836.87/1,081,603.62
  6. Step 6: Final answer
    x = 859,133.28

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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.