Home / 417,820.60-576,757.02-281,935

Finding the Fourth Proportional to 417,820.60, 576,757.02 and 281,935

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Solution

The fourth proportional to 417,820.60, 576,757.02 and 281,935 is: 389,181.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,820.60 : 576,757.02 = 281,935 : x
  2. Step 2: Convert to fraction form
    417,820.60/576,757.02 = 281,935/x
  3. Step 3: Cross multiply
    417,820.60x = 576,757.02 × 281,935
  4. Step 4: Simplify right side
    417,820.60x = 162,607,990,433.70
  5. Step 5: Solve for x
    x = 162,607,990,433.70/417,820.60
  6. Step 6: Final answer
    x = 389,181.36

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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.