Home / 427,468.98-589,917.57-236,486.10

Finding the Fourth Proportional to 427,468.98, 589,917.57 and 236,486.10

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Solution

The fourth proportional to 427,468.98, 589,917.57 and 236,486.10 is: 326,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,468.98 : 589,917.57 = 236,486.10 : x
  2. Step 2: Convert to fraction form
    427,468.98/589,917.57 = 236,486.10/x
  3. Step 3: Cross multiply
    427,468.98x = 589,917.57 × 236,486.10
  4. Step 4: Simplify right side
    427,468.98x = 139,507,305,450.78
  5. Step 5: Solve for x
    x = 139,507,305,450.78/427,468.98
  6. Step 6: Final answer
    x = 326,356.56

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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.