Home / 1,078,570.20-1,617,077.70-605,400.60

Finding the Fourth Proportional to 1,078,570.20, 1,617,077.70 and 605,400.60

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Solution

The fourth proportional to 1,078,570.20, 1,617,077.70 and 605,400.60 is: 907,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,570.20 : 1,617,077.70 = 605,400.60 : x
  2. Step 2: Convert to fraction form
    1,078,570.20/1,617,077.70 = 605,400.60/x
  3. Step 3: Cross multiply
    1,078,570.20x = 1,617,077.70 × 605,400.60
  4. Step 4: Simplify right side
    1,078,570.20x = 978,979,809,826.62
  5. Step 5: Solve for x
    x = 978,979,809,826.62/1,078,570.20
  6. Step 6: Final answer
    x = 907,664.43

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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.