Home / 1,621,403.43-2,237,537.22-886,360.89

Finding the Fourth Proportional to 1,621,403.43, 2,237,537.22 and 886,360.89

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Solution

The fourth proportional to 1,621,403.43, 2,237,537.22 and 886,360.89 is: 1,223,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,403.43 : 2,237,537.22 = 886,360.89 : x
  2. Step 2: Convert to fraction form
    1,621,403.43/2,237,537.22 = 886,360.89/x
  3. Step 3: Cross multiply
    1,621,403.43x = 2,237,537.22 × 886,360.89
  4. Step 4: Simplify right side
    1,621,403.43x = 1,983,265,481,727.33
  5. Step 5: Solve for x
    x = 1,983,265,481,727.33/1,621,403.43
  6. Step 6: Final answer
    x = 1,223,178.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.