Home / 1,536,845.58-2,120,760.63-857,825.82

Finding the Fourth Proportional to 1,536,845.58, 2,120,760.63 and 857,825.82

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Solution

The fourth proportional to 1,536,845.58, 2,120,760.63 and 857,825.82 is: 1,183,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,845.58 : 2,120,760.63 = 857,825.82 : x
  2. Step 2: Convert to fraction form
    1,536,845.58/2,120,760.63 = 857,825.82/x
  3. Step 3: Cross multiply
    1,536,845.58x = 2,120,760.63 × 857,825.82
  4. Step 4: Simplify right side
    1,536,845.58x = 1,819,243,226,453.47
  5. Step 5: Solve for x
    x = 1,819,243,226,453.47/1,536,845.58
  6. Step 6: Final answer
    x = 1,183,751.48

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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.