Home / 437,982.56-656,873.40-122,461.64

Finding the Fourth Proportional to 437,982.56, 656,873.40 and 122,461.64

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Solution

The fourth proportional to 437,982.56, 656,873.40 and 122,461.64 is: 183,664.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,982.56 : 656,873.40 = 122,461.64 : x
  2. Step 2: Convert to fraction form
    437,982.56/656,873.40 = 122,461.64/x
  3. Step 3: Cross multiply
    437,982.56x = 656,873.40 × 122,461.64
  4. Step 4: Simplify right side
    437,982.56x = 80,441,793,836.38
  5. Step 5: Solve for x
    x = 80,441,793,836.38/437,982.56
  6. Step 6: Final answer
    x = 183,664.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.