Home / 1,411,161.55-1,947,456.47-790,977.96

Finding the Fourth Proportional to 1,411,161.55, 1,947,456.47 and 790,977.96

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Solution

The fourth proportional to 1,411,161.55, 1,947,456.47 and 790,977.96 is: 1,091,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,161.55 : 1,947,456.47 = 790,977.96 : x
  2. Step 2: Convert to fraction form
    1,411,161.55/1,947,456.47 = 790,977.96/x
  3. Step 3: Cross multiply
    1,411,161.55x = 1,947,456.47 × 790,977.96
  4. Step 4: Simplify right side
    1,411,161.55x = 1,540,395,147,806.85
  5. Step 5: Solve for x
    x = 1,540,395,147,806.85/1,411,161.55
  6. Step 6: Final answer
    x = 1,091,579.59

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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.