Home / 986,170.92-1,479,141.56-266,478.43

Finding the Fourth Proportional to 986,170.92, 1,479,141.56 and 266,478.43

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Solution

The fourth proportional to 986,170.92, 1,479,141.56 and 266,478.43 is: 399,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,170.92 : 1,479,141.56 = 266,478.43 : x
  2. Step 2: Convert to fraction form
    986,170.92/1,479,141.56 = 266,478.43/x
  3. Step 3: Cross multiply
    986,170.92x = 1,479,141.56 × 266,478.43
  4. Step 4: Simplify right side
    986,170.92x = 394,159,312,594.65
  5. Step 5: Solve for x
    x = 394,159,312,594.65/986,170.92
  6. Step 6: Final answer
    x = 399,686.61

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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.