Home / 814,237.20-1,221,355.80-693,514.80

Finding the Fourth Proportional to 814,237.20, 1,221,355.80 and 693,514.80

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Solution

The fourth proportional to 814,237.20, 1,221,355.80 and 693,514.80 is: 1,040,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,237.20 : 1,221,355.80 = 693,514.80 : x
  2. Step 2: Convert to fraction form
    814,237.20/1,221,355.80 = 693,514.80/x
  3. Step 3: Cross multiply
    814,237.20x = 1,221,355.80 × 693,514.80
  4. Step 4: Simplify right side
    814,237.20x = 847,028,323,365.84
  5. Step 5: Solve for x
    x = 847,028,323,365.84/814,237.20
  6. Step 6: Final answer
    x = 1,040,272.20

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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.