Home / 412,921.40-619,746.60-244,230.80

Finding the Fourth Proportional to 412,921.40, 619,746.60 and 244,230.80

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Solution

The fourth proportional to 412,921.40, 619,746.60 and 244,230.80 is: 366,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,921.40 : 619,746.60 = 244,230.80 : x
  2. Step 2: Convert to fraction form
    412,921.40/619,746.60 = 244,230.80/x
  3. Step 3: Cross multiply
    412,921.40x = 619,746.60 × 244,230.80
  4. Step 4: Simplify right side
    412,921.40x = 151,361,207,915.28
  5. Step 5: Solve for x
    x = 151,361,207,915.28/412,921.40
  6. Step 6: Final answer
    x = 366,561.79

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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.