Home / 446,413.46-669,620.19-197,045.78

Finding the Fourth Proportional to 446,413.46, 669,620.19 and 197,045.78

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Solution

The fourth proportional to 446,413.46, 669,620.19 and 197,045.78 is: 295,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,413.46 : 669,620.19 = 197,045.78 : x
  2. Step 2: Convert to fraction form
    446,413.46/669,620.19 = 197,045.78/x
  3. Step 3: Cross multiply
    446,413.46x = 669,620.19 × 197,045.78
  4. Step 4: Simplify right side
    446,413.46x = 131,945,832,642.30
  5. Step 5: Solve for x
    x = 131,945,832,642.30/446,413.46
  6. Step 6: Final answer
    x = 295,568.67

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Double scale
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Similar ratio
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1.5x scale

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.