Home / 911,919.76-1,258,514.42-504,012.83

Finding the Fourth Proportional to 911,919.76, 1,258,514.42 and 504,012.83

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Solution

The fourth proportional to 911,919.76, 1,258,514.42 and 504,012.83 is: 695,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,919.76 : 1,258,514.42 = 504,012.83 : x
  2. Step 2: Convert to fraction form
    911,919.76/1,258,514.42 = 504,012.83/x
  3. Step 3: Cross multiply
    911,919.76x = 1,258,514.42 × 504,012.83
  4. Step 4: Simplify right side
    911,919.76x = 634,307,414,420.01
  5. Step 5: Solve for x
    x = 634,307,414,420.01/911,919.76
  6. Step 6: Final answer
    x = 695,573.71

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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.