Home / 1,089,216.36-1,503,137.88-605,781.72

Finding the Fourth Proportional to 1,089,216.36, 1,503,137.88 and 605,781.72

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Solution

The fourth proportional to 1,089,216.36, 1,503,137.88 and 605,781.72 is: 835,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,216.36 : 1,503,137.88 = 605,781.72 : x
  2. Step 2: Convert to fraction form
    1,089,216.36/1,503,137.88 = 605,781.72/x
  3. Step 3: Cross multiply
    1,089,216.36x = 1,503,137.88 × 605,781.72
  4. Step 4: Simplify right side
    1,089,216.36x = 910,573,450,343.55
  5. Step 5: Solve for x
    x = 910,573,450,343.55/1,089,216.36
  6. Step 6: Final answer
    x = 835,989.51

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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.