Home / 1,218,749.01-1,827,003.99-419,840.64

Finding the Fourth Proportional to 1,218,749.01, 1,827,003.99 and 419,840.64

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Solution

The fourth proportional to 1,218,749.01, 1,827,003.99 and 419,840.64 is: 629,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,749.01 : 1,827,003.99 = 419,840.64 : x
  2. Step 2: Convert to fraction form
    1,218,749.01/1,827,003.99 = 419,840.64/x
  3. Step 3: Cross multiply
    1,218,749.01x = 1,827,003.99 × 419,840.64
  4. Step 4: Simplify right side
    1,218,749.01x = 767,050,523,656.95
  5. Step 5: Solve for x
    x = 767,050,523,656.95/1,218,749.01
  6. Step 6: Final answer
    x = 629,375.30

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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.