Home / 483,049.78-666,577.86-268,189.79

Finding the Fourth Proportional to 483,049.78, 666,577.86 and 268,189.79

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Solution

The fourth proportional to 483,049.78, 666,577.86 and 268,189.79 is: 370,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,049.78 : 666,577.86 = 268,189.79 : x
  2. Step 2: Convert to fraction form
    483,049.78/666,577.86 = 268,189.79/x
  3. Step 3: Cross multiply
    483,049.78x = 666,577.86 × 268,189.79
  4. Step 4: Simplify right side
    483,049.78x = 178,769,371,953.45
  5. Step 5: Solve for x
    x = 178,769,371,953.45/483,049.78
  6. Step 6: Final answer
    x = 370,084.78

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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.