Home / 427,906.21-590,529.02-236,919.60

Finding the Fourth Proportional to 427,906.21, 590,529.02 and 236,919.60

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Solution

The fourth proportional to 427,906.21, 590,529.02 and 236,919.60 is: 326,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,906.21 : 590,529.02 = 236,919.60 : x
  2. Step 2: Convert to fraction form
    427,906.21/590,529.02 = 236,919.60/x
  3. Step 3: Cross multiply
    427,906.21x = 590,529.02 × 236,919.60
  4. Step 4: Simplify right side
    427,906.21x = 139,907,896,254.15
  5. Step 5: Solve for x
    x = 139,907,896,254.15/427,906.21
  6. Step 6: Final answer
    x = 326,959.26

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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.