Home / 1,308,596.44-1,805,367.72-811,650.47

Finding the Fourth Proportional to 1,308,596.44, 1,805,367.72 and 811,650.47

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Solution

The fourth proportional to 1,308,596.44, 1,805,367.72 and 811,650.47 is: 1,119,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,596.44 : 1,805,367.72 = 811,650.47 : x
  2. Step 2: Convert to fraction form
    1,308,596.44/1,805,367.72 = 811,650.47/x
  3. Step 3: Cross multiply
    1,308,596.44x = 1,805,367.72 × 811,650.47
  4. Step 4: Simplify right side
    1,308,596.44x = 1,465,327,562,632.87
  5. Step 5: Solve for x
    x = 1,465,327,562,632.87/1,308,596.44
  6. Step 6: Final answer
    x = 1,119,770.41

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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.