Home / 986,636.10-1,479,787.23-276,500.70

Finding the Fourth Proportional to 986,636.10, 1,479,787.23 and 276,500.70

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Solution

The fourth proportional to 986,636.10, 1,479,787.23 and 276,500.70 is: 414,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,636.10 : 1,479,787.23 = 276,500.70 : x
  2. Step 2: Convert to fraction form
    986,636.10/1,479,787.23 = 276,500.70/x
  3. Step 3: Cross multiply
    986,636.10x = 1,479,787.23 × 276,500.70
  4. Step 4: Simplify right side
    986,636.10x = 409,162,204,946.06
  5. Step 5: Solve for x
    x = 409,162,204,946.06/986,636.10
  6. Step 6: Final answer
    x = 414,704.27

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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.