Home / 824,517.54-1,236,743.97-344,621.40

Finding the Fourth Proportional to 824,517.54, 1,236,743.97 and 344,621.40

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Solution

The fourth proportional to 824,517.54, 1,236,743.97 and 344,621.40 is: 516,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,517.54 : 1,236,743.97 = 344,621.40 : x
  2. Step 2: Convert to fraction form
    824,517.54/1,236,743.97 = 344,621.40/x
  3. Step 3: Cross multiply
    824,517.54x = 1,236,743.97 × 344,621.40
  4. Step 4: Simplify right side
    824,517.54x = 426,208,436,659.85
  5. Step 5: Solve for x
    x = 426,208,436,659.85/824,517.54
  6. Step 6: Final answer
    x = 516,918.58

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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.