Home / 897,392.88-1,238,316.12-494,958.96

Finding the Fourth Proportional to 897,392.88, 1,238,316.12 and 494,958.96

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Solution

The fourth proportional to 897,392.88, 1,238,316.12 and 494,958.96 is: 682,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,392.88 : 1,238,316.12 = 494,958.96 : x
  2. Step 2: Convert to fraction form
    897,392.88/1,238,316.12 = 494,958.96/x
  3. Step 3: Cross multiply
    897,392.88x = 1,238,316.12 × 494,958.96
  4. Step 4: Simplify right side
    897,392.88x = 612,915,658,906.44
  5. Step 5: Solve for x
    x = 612,915,658,906.44/897,392.88
  6. Step 6: Final answer
    x = 682,995.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.