Home / 1,115,041.80-1,538,759.52-605,744.60

Finding the Fourth Proportional to 1,115,041.80, 1,538,759.52 and 605,744.60

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Solution

The fourth proportional to 1,115,041.80, 1,538,759.52 and 605,744.60 is: 835,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,041.80 : 1,538,759.52 = 605,744.60 : x
  2. Step 2: Convert to fraction form
    1,115,041.80/1,538,759.52 = 605,744.60/x
  3. Step 3: Cross multiply
    1,115,041.80x = 1,538,759.52 × 605,744.60
  4. Step 4: Simplify right side
    1,115,041.80x = 932,095,269,938.59
  5. Step 5: Solve for x
    x = 932,095,269,938.59/1,115,041.80
  6. Step 6: Final answer
    x = 835,928.55

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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.