Home / 1,138,817.01-1,571,518.49-622,561.08

Finding the Fourth Proportional to 1,138,817.01, 1,571,518.49 and 622,561.08

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Solution

The fourth proportional to 1,138,817.01, 1,571,518.49 and 622,561.08 is: 859,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,817.01 : 1,571,518.49 = 622,561.08 : x
  2. Step 2: Convert to fraction form
    1,138,817.01/1,571,518.49 = 622,561.08/x
  3. Step 3: Cross multiply
    1,138,817.01x = 1,571,518.49 × 622,561.08
  4. Step 4: Simplify right side
    1,138,817.01x = 978,366,245,261.56
  5. Step 5: Solve for x
    x = 978,366,245,261.56/1,138,817.01
  6. Step 6: Final answer
    x = 859,107.51

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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.