Home / 483,320.30-666,992.58-265,531.78

Finding the Fourth Proportional to 483,320.30, 666,992.58 and 265,531.78

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Solution

The fourth proportional to 483,320.30, 666,992.58 and 265,531.78 is: 366,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,320.30 : 666,992.58 = 265,531.78 : x
  2. Step 2: Convert to fraction form
    483,320.30/666,992.58 = 265,531.78/x
  3. Step 3: Cross multiply
    483,320.30x = 666,992.58 × 265,531.78
  4. Step 4: Simplify right side
    483,320.30x = 177,107,727,014.19
  5. Step 5: Solve for x
    x = 177,107,727,014.19/483,320.30
  6. Step 6: Final answer
    x = 366,439.66

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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.