Home / 734,157.60-1,100,977.20-260,858.40

Finding the Fourth Proportional to 734,157.60, 1,100,977.20 and 260,858.40

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Solution

The fourth proportional to 734,157.60, 1,100,977.20 and 260,858.40 is: 391,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,157.60 : 1,100,977.20 = 260,858.40 : x
  2. Step 2: Convert to fraction form
    734,157.60/1,100,977.20 = 260,858.40/x
  3. Step 3: Cross multiply
    734,157.60x = 1,100,977.20 × 260,858.40
  4. Step 4: Simplify right side
    734,157.60x = 287,199,150,828.48
  5. Step 5: Solve for x
    x = 287,199,150,828.48/734,157.60
  6. Step 6: Final answer
    x = 391,195.50

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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.