Home / 1,941,500.72-2,913,562.20-679,339.28

Finding the Fourth Proportional to 1,941,500.72, 2,913,562.20 and 679,339.28

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Solution

The fourth proportional to 1,941,500.72, 2,913,562.20 and 679,339.28 is: 1,019,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,500.72 : 2,913,562.20 = 679,339.28 : x
  2. Step 2: Convert to fraction form
    1,941,500.72/2,913,562.20 = 679,339.28/x
  3. Step 3: Cross multiply
    1,941,500.72x = 2,913,562.20 × 679,339.28
  4. Step 4: Simplify right side
    1,941,500.72x = 1,979,297,247,183.22
  5. Step 5: Solve for x
    x = 1,979,297,247,183.22/1,941,500.72
  6. Step 6: Final answer
    x = 1,019,467.69

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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.