Home / 451,975.44-623,720.46-260,984.64

Finding the Fourth Proportional to 451,975.44, 623,720.46 and 260,984.64

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Solution

The fourth proportional to 451,975.44, 623,720.46 and 260,984.64 is: 360,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,975.44 : 623,720.46 = 260,984.64 : x
  2. Step 2: Convert to fraction form
    451,975.44/623,720.46 = 260,984.64/x
  3. Step 3: Cross multiply
    451,975.44x = 623,720.46 × 260,984.64
  4. Step 4: Simplify right side
    451,975.44x = 162,781,459,713.73
  5. Step 5: Solve for x
    x = 162,781,459,713.73/451,975.44
  6. Step 6: Final answer
    x = 360,155.54

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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.