Home / 683,278.14-942,704.55-381,413.82

Finding the Fourth Proportional to 683,278.14, 942,704.55 and 381,413.82

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Solution

The fourth proportional to 683,278.14, 942,704.55 and 381,413.82 is: 526,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,278.14 : 942,704.55 = 381,413.82 : x
  2. Step 2: Convert to fraction form
    683,278.14/942,704.55 = 381,413.82/x
  3. Step 3: Cross multiply
    683,278.14x = 942,704.55 × 381,413.82
  4. Step 4: Simplify right side
    683,278.14x = 359,560,543,546.88
  5. Step 5: Solve for x
    x = 359,560,543,546.88/683,278.14
  6. Step 6: Final answer
    x = 526,228.67

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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.