Home / 427,418.86-589,839.22-236,432.24

Finding the Fourth Proportional to 427,418.86, 589,839.22 and 236,432.24

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Solution

The fourth proportional to 427,418.86, 589,839.22 and 236,432.24 is: 326,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,418.86 : 589,839.22 = 236,432.24 : x
  2. Step 2: Convert to fraction form
    427,418.86/589,839.22 = 236,432.24/x
  3. Step 3: Cross multiply
    427,418.86x = 589,839.22 × 236,432.24
  4. Step 4: Simplify right side
    427,418.86x = 139,457,008,024.45
  5. Step 5: Solve for x
    x = 139,457,008,024.45/427,418.86
  6. Step 6: Final answer
    x = 326,277.15

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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.