Home / 427,912.20-590,537.30-236,925.60

Finding the Fourth Proportional to 427,912.20, 590,537.30 and 236,925.60

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Solution

The fourth proportional to 427,912.20, 590,537.30 and 236,925.60 is: 326,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,912.20 : 590,537.30 = 236,925.60 : x
  2. Step 2: Convert to fraction form
    427,912.20/590,537.30 = 236,925.60/x
  3. Step 3: Cross multiply
    427,912.20x = 590,537.30 × 236,925.60
  4. Step 4: Simplify right side
    427,912.20x = 139,913,404,124.88
  5. Step 5: Solve for x
    x = 139,913,404,124.88/427,912.20
  6. Step 6: Final answer
    x = 326,967.55

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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.