Home / 1,769,680.25-2,654,530.10-439,984.25

Finding the Fourth Proportional to 1,769,680.25, 2,654,530.10 and 439,984.25

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Solution

The fourth proportional to 1,769,680.25, 2,654,530.10 and 439,984.25 is: 659,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,680.25 : 2,654,530.10 = 439,984.25 : x
  2. Step 2: Convert to fraction form
    1,769,680.25/2,654,530.10 = 439,984.25/x
  3. Step 3: Cross multiply
    1,769,680.25x = 2,654,530.10 × 439,984.25
  4. Step 4: Simplify right side
    1,769,680.25x = 1,167,951,432,951.00
  5. Step 5: Solve for x
    x = 1,167,951,432,951.00/1,769,680.25
  6. Step 6: Final answer
    x = 659,978.79

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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.