Home / 483,180.66-666,820.18-268,320.72

Finding the Fourth Proportional to 483,180.66, 666,820.18 and 268,320.72

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Solution

The fourth proportional to 483,180.66, 666,820.18 and 268,320.72 is: 370,299.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,180.66 : 666,820.18 = 268,320.72 : x
  2. Step 2: Convert to fraction form
    483,180.66/666,820.18 = 268,320.72/x
  3. Step 3: Cross multiply
    483,180.66x = 666,820.18 × 268,320.72
  4. Step 4: Simplify right side
    483,180.66x = 178,921,670,808.13
  5. Step 5: Solve for x
    x = 178,921,670,808.13/483,180.66
  6. Step 6: Final answer
    x = 370,299.74

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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.