Home / 483,450.12-666,975.06-356,427.72

Finding the Fourth Proportional to 483,450.12, 666,975.06 and 356,427.72

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Solution

The fourth proportional to 483,450.12, 666,975.06 and 356,427.72 is: 491,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,450.12 : 666,975.06 = 356,427.72 : x
  2. Step 2: Convert to fraction form
    483,450.12/666,975.06 = 356,427.72/x
  3. Step 3: Cross multiply
    483,450.12x = 666,975.06 × 356,427.72
  4. Step 4: Simplify right side
    483,450.12x = 237,728,399,932.66
  5. Step 5: Solve for x
    x = 237,728,399,932.66/483,450.12
  6. Step 6: Final answer
    x = 491,733.05

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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.