Home / 3,505,520.87-5,258,281.31-846,128.87

Finding the Fourth Proportional to 3,505,520.87, 5,258,281.31 and 846,128.87

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Solution

The fourth proportional to 3,505,520.87, 5,258,281.31 and 846,128.87 is: 1,269,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,520.87 : 5,258,281.31 = 846,128.87 : x
  2. Step 2: Convert to fraction form
    3,505,520.87/5,258,281.31 = 846,128.87/x
  3. Step 3: Cross multiply
    3,505,520.87x = 5,258,281.31 × 846,128.87
  4. Step 4: Simplify right side
    3,505,520.87x = 4,449,183,592,450.37
  5. Step 5: Solve for x
    x = 4,449,183,592,450.37/3,505,520.87
  6. Step 6: Final answer
    x = 1,269,193.30

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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.