Home / 814,457.20-1,222,123.20-341,190.40

Finding the Fourth Proportional to 814,457.20, 1,222,123.20 and 341,190.40

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Solution

The fourth proportional to 814,457.20, 1,222,123.20 and 341,190.40 is: 511,968.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,457.20 : 1,222,123.20 = 341,190.40 : x
  2. Step 2: Convert to fraction form
    814,457.20/1,222,123.20 = 341,190.40/x
  3. Step 3: Cross multiply
    814,457.20x = 1,222,123.20 × 341,190.40
  4. Step 4: Simplify right side
    814,457.20x = 416,976,703,457.28
  5. Step 5: Solve for x
    x = 416,976,703,457.28/814,457.20
  6. Step 6: Final answer
    x = 511,968.83

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Double scale
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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.