Home / 427,914.20-590,540.06-236,927.60

Finding the Fourth Proportional to 427,914.20, 590,540.06 and 236,927.60

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Solution

The fourth proportional to 427,914.20, 590,540.06 and 236,927.60 is: 326,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,914.20 : 590,540.06 = 236,927.60 : x
  2. Step 2: Convert to fraction form
    427,914.20/590,540.06 = 236,927.60/x
  3. Step 3: Cross multiply
    427,914.20x = 590,540.06 × 236,927.60
  4. Step 4: Simplify right side
    427,914.20x = 139,915,239,119.66
  5. Step 5: Solve for x
    x = 139,915,239,119.66/427,914.20
  6. Step 6: Final answer
    x = 326,970.31

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1.5x scale

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.