Home / 1,768,960.62-2,441,231.55-1,005,143.66

Finding the Fourth Proportional to 1,768,960.62, 2,441,231.55 and 1,005,143.66

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Solution

The fourth proportional to 1,768,960.62, 2,441,231.55 and 1,005,143.66 is: 1,387,135.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,960.62 : 2,441,231.55 = 1,005,143.66 : x
  2. Step 2: Convert to fraction form
    1,768,960.62/2,441,231.55 = 1,005,143.66/x
  3. Step 3: Cross multiply
    1,768,960.62x = 2,441,231.55 × 1,005,143.66
  4. Step 4: Simplify right side
    1,768,960.62x = 2,453,788,415,074.47
  5. Step 5: Solve for x
    x = 2,453,788,415,074.47/1,768,960.62
  6. Step 6: Final answer
    x = 1,387,135.69

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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.