Home / 814,849.00-1,223,078.28-611,738.96

Finding the Fourth Proportional to 814,849.00, 1,223,078.28 and 611,738.96

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Solution

The fourth proportional to 814,849.00, 1,223,078.28 and 611,738.96 is: 918,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,849.00 : 1,223,078.28 = 611,738.96 : x
  2. Step 2: Convert to fraction form
    814,849.00/1,223,078.28 = 611,738.96/x
  3. Step 3: Cross multiply
    814,849.00x = 1,223,078.28 × 611,738.96
  4. Step 4: Simplify right side
    814,849.00x = 748,204,636,534.14
  5. Step 5: Solve for x
    x = 748,204,636,534.14/814,849.00
  6. Step 6: Final answer
    x = 918,212.63

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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.