Home / 483,228.81-666,837.41-268,382.66

Finding the Fourth Proportional to 483,228.81, 666,837.41 and 268,382.66

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Solution

The fourth proportional to 483,228.81, 666,837.41 and 268,382.66 is: 370,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,228.81 : 666,837.41 = 268,382.66 : x
  2. Step 2: Convert to fraction form
    483,228.81/666,837.41 = 268,382.66/x
  3. Step 3: Cross multiply
    483,228.81x = 666,837.41 × 268,382.66
  4. Step 4: Simplify right side
    483,228.81x = 178,967,593,207.21
  5. Step 5: Solve for x
    x = 178,967,593,207.21/483,228.81
  6. Step 6: Final answer
    x = 370,357.87

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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.