Home / 483,278.49-666,905.87-268,432.34

Finding the Fourth Proportional to 483,278.49, 666,905.87 and 268,432.34

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Solution

The fourth proportional to 483,278.49, 666,905.87 and 268,432.34 is: 370,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,278.49 : 666,905.87 = 268,432.34 : x
  2. Step 2: Convert to fraction form
    483,278.49/666,905.87 = 268,432.34/x
  3. Step 3: Cross multiply
    483,278.49x = 666,905.87 × 268,432.34
  4. Step 4: Simplify right side
    483,278.49x = 179,019,103,243.84
  5. Step 5: Solve for x
    x = 179,019,103,243.84/483,278.49
  6. Step 6: Final answer
    x = 370,426.38

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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.