Home / 427,439.76-589,867.29-236,466.06

Finding the Fourth Proportional to 427,439.76, 589,867.29 and 236,466.06

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Solution

The fourth proportional to 427,439.76, 589,867.29 and 236,466.06 is: 326,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,439.76 : 589,867.29 = 236,466.06 : x
  2. Step 2: Convert to fraction form
    427,439.76/589,867.29 = 236,466.06/x
  3. Step 3: Cross multiply
    427,439.76x = 589,867.29 × 236,466.06
  4. Step 4: Simplify right side
    427,439.76x = 139,483,593,989.18
  5. Step 5: Solve for x
    x = 139,483,593,989.18/427,439.76
  6. Step 6: Final answer
    x = 326,323.40

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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.