Home / 1,919,518.70-2,877,063.71-720,676.37

Finding the Fourth Proportional to 1,919,518.70, 2,877,063.71 and 720,676.37

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Solution

The fourth proportional to 1,919,518.70, 2,877,063.71 and 720,676.37 is: 1,080,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,518.70 : 2,877,063.71 = 720,676.37 : x
  2. Step 2: Convert to fraction form
    1,919,518.70/2,877,063.71 = 720,676.37/x
  3. Step 3: Cross multiply
    1,919,518.70x = 2,877,063.71 × 720,676.37
  4. Step 4: Simplify right side
    1,919,518.70x = 2,073,431,812,792.83
  5. Step 5: Solve for x
    x = 2,073,431,812,792.83/1,919,518.70
  6. Step 6: Final answer
    x = 1,080,183.18

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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.