Home / 814,664.20-1,222,433.70-341,397.40

Finding the Fourth Proportional to 814,664.20, 1,222,433.70 and 341,397.40

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Solution

The fourth proportional to 814,664.20, 1,222,433.70 and 341,397.40 is: 512,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,664.20 : 1,222,433.70 = 341,397.40 : x
  2. Step 2: Convert to fraction form
    814,664.20/1,222,433.70 = 341,397.40/x
  3. Step 3: Cross multiply
    814,664.20x = 1,222,433.70 × 341,397.40
  4. Step 4: Simplify right side
    814,664.20x = 417,335,686,852.38
  5. Step 5: Solve for x
    x = 417,335,686,852.38/814,664.20
  6. Step 6: Final answer
    x = 512,279.40

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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.