Home / 1,218,009.27-1,826,183.50-617,813.09

Finding the Fourth Proportional to 1,218,009.27, 1,826,183.50 and 617,813.09

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Solution

The fourth proportional to 1,218,009.27, 1,826,183.50 and 617,813.09 is: 926,298.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,009.27 : 1,826,183.50 = 617,813.09 : x
  2. Step 2: Convert to fraction form
    1,218,009.27/1,826,183.50 = 617,813.09/x
  3. Step 3: Cross multiply
    1,218,009.27x = 1,826,183.50 × 617,813.09
  4. Step 4: Simplify right side
    1,218,009.27x = 1,128,240,071,042.01
  5. Step 5: Solve for x
    x = 1,128,240,071,042.01/1,218,009.27
  6. Step 6: Final answer
    x = 926,298.43

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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.