Home / 483,271.61-666,914.82-268,431.66

Finding the Fourth Proportional to 483,271.61, 666,914.82 and 268,431.66

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Solution

The fourth proportional to 483,271.61, 666,914.82 and 268,431.66 is: 370,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,271.61 : 666,914.82 = 268,431.66 : x
  2. Step 2: Convert to fraction form
    483,271.61/666,914.82 = 268,431.66/x
  3. Step 3: Cross multiply
    483,271.61x = 666,914.82 × 268,431.66
  4. Step 4: Simplify right side
    483,271.61x = 179,021,052,211.20
  5. Step 5: Solve for x
    x = 179,021,052,211.20/483,271.61
  6. Step 6: Final answer
    x = 370,435.69

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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.