Home / 427,469.48-589,918.26-236,486.60

Finding the Fourth Proportional to 427,469.48, 589,918.26 and 236,486.60

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Solution

The fourth proportional to 427,469.48, 589,918.26 and 236,486.60 is: 326,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,469.48 : 589,918.26 = 236,486.60 : x
  2. Step 2: Convert to fraction form
    427,469.48/589,918.26 = 236,486.60/x
  3. Step 3: Cross multiply
    427,469.48x = 589,918.26 × 236,486.60
  4. Step 4: Simplify right side
    427,469.48x = 139,507,763,585.32
  5. Step 5: Solve for x
    x = 139,507,763,585.32/427,469.48
  6. Step 6: Final answer
    x = 326,357.25

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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.