Home / 451,968.20-623,723.40-260,998.28

Finding the Fourth Proportional to 451,968.20, 623,723.40 and 260,998.28

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Solution

The fourth proportional to 451,968.20, 623,723.40 and 260,998.28 is: 360,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,968.20 : 623,723.40 = 260,998.28 : x
  2. Step 2: Convert to fraction form
    451,968.20/623,723.40 = 260,998.28/x
  3. Step 3: Cross multiply
    451,968.20x = 623,723.40 × 260,998.28
  4. Step 4: Simplify right side
    451,968.20x = 162,790,734,595.75
  5. Step 5: Solve for x
    x = 162,790,734,595.75/451,968.20
  6. Step 6: Final answer
    x = 360,181.83

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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.