Home / 428,982.20-592,066.56-238,056.92

Finding the Fourth Proportional to 428,982.20, 592,066.56 and 238,056.92

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Solution

The fourth proportional to 428,982.20, 592,066.56 and 238,056.92 is: 328,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,982.20 : 592,066.56 = 238,056.92 : x
  2. Step 2: Convert to fraction form
    428,982.20/592,066.56 = 238,056.92/x
  3. Step 3: Cross multiply
    428,982.20x = 592,066.56 × 238,056.92
  4. Step 4: Simplify right side
    428,982.20x = 140,945,541,708.60
  5. Step 5: Solve for x
    x = 140,945,541,708.60/428,982.20
  6. Step 6: Final answer
    x = 328,558.02

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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.