Home / 911,921.89-1,258,517.33-504,014.97

Finding the Fourth Proportional to 911,921.89, 1,258,517.33 and 504,014.97

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Solution

The fourth proportional to 911,921.89, 1,258,517.33 and 504,014.97 is: 695,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,921.89 : 1,258,517.33 = 504,014.97 : x
  2. Step 2: Convert to fraction form
    911,921.89/1,258,517.33 = 504,014.97/x
  3. Step 3: Cross multiply
    911,921.89x = 1,258,517.33 × 504,014.97
  4. Step 4: Simplify right side
    911,921.89x = 634,311,574,324.43
  5. Step 5: Solve for x
    x = 634,311,574,324.43/911,921.89
  6. Step 6: Final answer
    x = 695,576.65

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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.