Home / 445,049.31-666,466.79-311,303.33

Finding the Fourth Proportional to 445,049.31, 666,466.79 and 311,303.33

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Solution

The fourth proportional to 445,049.31, 666,466.79 and 311,303.33 is: 466,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,049.31 : 666,466.79 = 311,303.33 : x
  2. Step 2: Convert to fraction form
    445,049.31/666,466.79 = 311,303.33/x
  3. Step 3: Cross multiply
    445,049.31x = 666,466.79 × 311,303.33
  4. Step 4: Simplify right side
    445,049.31x = 207,473,331,061.41
  5. Step 5: Solve for x
    x = 207,473,331,061.41/445,049.31
  6. Step 6: Final answer
    x = 466,180.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.