Home / 1,089,332.69-1,503,257.54-605,887.43

Finding the Fourth Proportional to 1,089,332.69, 1,503,257.54 and 605,887.43

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Solution

The fourth proportional to 1,089,332.69, 1,503,257.54 and 605,887.43 is: 836,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,332.69 : 1,503,257.54 = 605,887.43 : x
  2. Step 2: Convert to fraction form
    1,089,332.69/1,503,257.54 = 605,887.43/x
  3. Step 3: Cross multiply
    1,089,332.69x = 1,503,257.54 × 605,887.43
  4. Step 4: Simplify right side
    1,089,332.69x = 910,804,836,993.00
  5. Step 5: Solve for x
    x = 910,804,836,993.00/1,089,332.69
  6. Step 6: Final answer
    x = 836,112.65

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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.