Home / 986,674.56-1,479,888.80-276,757.96

Finding the Fourth Proportional to 986,674.56, 1,479,888.80 and 276,757.96

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Solution

The fourth proportional to 986,674.56, 1,479,888.80 and 276,757.96 is: 415,102.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,674.56 : 1,479,888.80 = 276,757.96 : x
  2. Step 2: Convert to fraction form
    986,674.56/1,479,888.80 = 276,757.96/x
  3. Step 3: Cross multiply
    986,674.56x = 1,479,888.80 × 276,757.96
  4. Step 4: Simplify right side
    986,674.56x = 409,571,005,314.85
  5. Step 5: Solve for x
    x = 409,571,005,314.85/986,674.56
  6. Step 6: Final answer
    x = 415,102.43

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1.5x scale

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.