Home / 1,203,028.20-1,805,003.10-1,184,135.40

Finding the Fourth Proportional to 1,203,028.20, 1,805,003.10 and 1,184,135.40

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Solution

The fourth proportional to 1,203,028.20, 1,805,003.10 and 1,184,135.40 is: 1,776,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,028.20 : 1,805,003.10 = 1,184,135.40 : x
  2. Step 2: Convert to fraction form
    1,203,028.20/1,805,003.10 = 1,184,135.40/x
  3. Step 3: Cross multiply
    1,203,028.20x = 1,805,003.10 × 1,184,135.40
  4. Step 4: Simplify right side
    1,203,028.20x = 2,137,368,067,819.74
  5. Step 5: Solve for x
    x = 2,137,368,067,819.74/1,203,028.20
  6. Step 6: Final answer
    x = 1,776,656.66

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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.