Home / 1,089,189.41-1,503,122.86-605,789.51

Finding the Fourth Proportional to 1,089,189.41, 1,503,122.86 and 605,789.51

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Solution

The fourth proportional to 1,089,189.41, 1,503,122.86 and 605,789.51 is: 836,012.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,189.41 : 1,503,122.86 = 605,789.51 : x
  2. Step 2: Convert to fraction form
    1,089,189.41/1,503,122.86 = 605,789.51/x
  3. Step 3: Cross multiply
    1,089,189.41x = 1,503,122.86 × 605,789.51
  4. Step 4: Simplify right side
    1,089,189.41x = 910,576,060,829.20
  5. Step 5: Solve for x
    x = 910,576,060,829.20/1,089,189.41
  6. Step 6: Final answer
    x = 836,012.59

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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.