Home / 942,554.06-1,414,049.78-311,429.60

Finding the Fourth Proportional to 942,554.06, 1,414,049.78 and 311,429.60

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Solution

The fourth proportional to 942,554.06, 1,414,049.78 and 311,429.60 is: 467,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,554.06 : 1,414,049.78 = 311,429.60 : x
  2. Step 2: Convert to fraction form
    942,554.06/1,414,049.78 = 311,429.60/x
  3. Step 3: Cross multiply
    942,554.06x = 1,414,049.78 × 311,429.60
  4. Step 4: Simplify right side
    942,554.06x = 440,376,948,738.09
  5. Step 5: Solve for x
    x = 440,376,948,738.09/942,554.06
  6. Step 6: Final answer
    x = 467,216.65

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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.