Home / 751,410.20-1,036,985.82-411,892.76

Finding the Fourth Proportional to 751,410.20, 1,036,985.82 and 411,892.76

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Solution

The fourth proportional to 751,410.20, 1,036,985.82 and 411,892.76 is: 568,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,410.20 : 1,036,985.82 = 411,892.76 : x
  2. Step 2: Convert to fraction form
    751,410.20/1,036,985.82 = 411,892.76/x
  3. Step 3: Cross multiply
    751,410.20x = 1,036,985.82 × 411,892.76
  4. Step 4: Simplify right side
    751,410.20x = 427,126,951,480.66
  5. Step 5: Solve for x
    x = 427,126,951,480.66/751,410.20
  6. Step 6: Final answer
    x = 568,433.79

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1.5x scale

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.