Home / 1,977,828.92-2,965,761.94-629,815.90

Finding the Fourth Proportional to 1,977,828.92, 2,965,761.94 and 629,815.90

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Solution

The fourth proportional to 1,977,828.92, 2,965,761.94 and 629,815.90 is: 944,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,828.92 : 2,965,761.94 = 629,815.90 : x
  2. Step 2: Convert to fraction form
    1,977,828.92/2,965,761.94 = 629,815.90/x
  3. Step 3: Cross multiply
    1,977,828.92x = 2,965,761.94 × 629,815.90
  4. Step 4: Simplify right side
    1,977,828.92x = 1,867,884,025,426.85
  5. Step 5: Solve for x
    x = 1,867,884,025,426.85/1,977,828.92
  6. Step 6: Final answer
    x = 944,411.32

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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.