Home / 905,112.87-1,358,229.96-526,211.94

Finding the Fourth Proportional to 905,112.87, 1,358,229.96 and 526,211.94

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Solution

The fourth proportional to 905,112.87, 1,358,229.96 and 526,211.94 is: 789,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,112.87 : 1,358,229.96 = 526,211.94 : x
  2. Step 2: Convert to fraction form
    905,112.87/1,358,229.96 = 526,211.94/x
  3. Step 3: Cross multiply
    905,112.87x = 1,358,229.96 × 526,211.94
  4. Step 4: Simplify right side
    905,112.87x = 714,716,822,217.72
  5. Step 5: Solve for x
    x = 714,716,822,217.72/905,112.87
  6. Step 6: Final answer
    x = 789,643.86

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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.