Home / 1,419,744.45-2,129,659.92-555,144.86

Finding the Fourth Proportional to 1,419,744.45, 2,129,659.92 and 555,144.86

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Solution

The fourth proportional to 1,419,744.45, 2,129,659.92 and 555,144.86 is: 832,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,744.45 : 2,129,659.92 = 555,144.86 : x
  2. Step 2: Convert to fraction form
    1,419,744.45/2,129,659.92 = 555,144.86/x
  3. Step 3: Cross multiply
    1,419,744.45x = 2,129,659.92 × 555,144.86
  4. Step 4: Simplify right side
    1,419,744.45x = 1,182,269,763,460.16
  5. Step 5: Solve for x
    x = 1,182,269,763,460.16/1,419,744.45
  6. Step 6: Final answer
    x = 832,734.20

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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.