Home / 911,921.39-1,258,516.67-504,014.46

Finding the Fourth Proportional to 911,921.39, 1,258,516.67 and 504,014.46

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Solution

The fourth proportional to 911,921.39, 1,258,516.67 and 504,014.46 is: 695,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,921.39 : 1,258,516.67 = 504,014.46 : x
  2. Step 2: Convert to fraction form
    911,921.39/1,258,516.67 = 504,014.46/x
  3. Step 3: Cross multiply
    911,921.39x = 1,258,516.67 × 504,014.46
  4. Step 4: Simplify right side
    911,921.39x = 634,310,597,310.98
  5. Step 5: Solve for x
    x = 634,310,597,310.98/911,921.39
  6. Step 6: Final answer
    x = 695,575.96

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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.