Home / 451,921.34-623,670.99-270,662.78

Finding the Fourth Proportional to 451,921.34, 623,670.99 and 270,662.78

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Solution

The fourth proportional to 451,921.34, 623,670.99 and 270,662.78 is: 373,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,921.34 : 623,670.99 = 270,662.78 : x
  2. Step 2: Convert to fraction form
    451,921.34/623,670.99 = 270,662.78/x
  3. Step 3: Cross multiply
    451,921.34x = 623,670.99 × 270,662.78
  4. Step 4: Simplify right side
    451,921.34x = 168,804,523,958.75
  5. Step 5: Solve for x
    x = 168,804,523,958.75/451,921.34
  6. Step 6: Final answer
    x = 373,526.34

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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.