Home / 892,958.12-1,232,291.40-485,067.86

Finding the Fourth Proportional to 892,958.12, 1,232,291.40 and 485,067.86

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Solution

The fourth proportional to 892,958.12, 1,232,291.40 and 485,067.86 is: 669,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,958.12 : 1,232,291.40 = 485,067.86 : x
  2. Step 2: Convert to fraction form
    892,958.12/1,232,291.40 = 485,067.86/x
  3. Step 3: Cross multiply
    892,958.12x = 1,232,291.40 × 485,067.86
  4. Step 4: Simplify right side
    892,958.12x = 597,744,952,294.40
  5. Step 5: Solve for x
    x = 597,744,952,294.40/892,958.12
  6. Step 6: Final answer
    x = 669,398.64

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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.