Home / 814,216.20-1,221,324.30-440,968.20

Finding the Fourth Proportional to 814,216.20, 1,221,324.30 and 440,968.20

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Solution

The fourth proportional to 814,216.20, 1,221,324.30 and 440,968.20 is: 661,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,216.20 : 1,221,324.30 = 440,968.20 : x
  2. Step 2: Convert to fraction form
    814,216.20/1,221,324.30 = 440,968.20/x
  3. Step 3: Cross multiply
    814,216.20x = 1,221,324.30 × 440,968.20
  4. Step 4: Simplify right side
    814,216.20x = 538,565,178,187.26
  5. Step 5: Solve for x
    x = 538,565,178,187.26/814,216.20
  6. Step 6: Final answer
    x = 661,452.30

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1.5x scale

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.