Home / 814,229.70-1,221,344.55-562,287.30

Finding the Fourth Proportional to 814,229.70, 1,221,344.55 and 562,287.30

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Solution

The fourth proportional to 814,229.70, 1,221,344.55 and 562,287.30 is: 843,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,229.70 : 1,221,344.55 = 562,287.30 : x
  2. Step 2: Convert to fraction form
    814,229.70/1,221,344.55 = 562,287.30/x
  3. Step 3: Cross multiply
    814,229.70x = 1,221,344.55 × 562,287.30
  4. Step 4: Simplify right side
    814,229.70x = 686,746,529,389.22
  5. Step 5: Solve for x
    x = 686,746,529,389.22/814,229.70
  6. Step 6: Final answer
    x = 843,430.95

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Double scale
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Similar ratio
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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.