Home / 1,067,144.40-1,600,716.60-1,019,905.20

Finding the Fourth Proportional to 1,067,144.40, 1,600,716.60 and 1,019,905.20

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Solution

The fourth proportional to 1,067,144.40, 1,600,716.60 and 1,019,905.20 is: 1,529,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,144.40 : 1,600,716.60 = 1,019,905.20 : x
  2. Step 2: Convert to fraction form
    1,067,144.40/1,600,716.60 = 1,019,905.20/x
  3. Step 3: Cross multiply
    1,067,144.40x = 1,600,716.60 × 1,019,905.20
  4. Step 4: Simplify right side
    1,067,144.40x = 1,632,579,184,066.32
  5. Step 5: Solve for x
    x = 1,632,579,184,066.32/1,067,144.40
  6. Step 6: Final answer
    x = 1,529,857.80

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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.