Home / 1,443,519.73-1,991,922.26-862,627.58

Finding the Fourth Proportional to 1,443,519.73, 1,991,922.26 and 862,627.58

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Solution

The fourth proportional to 1,443,519.73, 1,991,922.26 and 862,627.58 is: 1,190,345.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,519.73 : 1,991,922.26 = 862,627.58 : x
  2. Step 2: Convert to fraction form
    1,443,519.73/1,991,922.26 = 862,627.58/x
  3. Step 3: Cross multiply
    1,443,519.73x = 1,991,922.26 × 862,627.58
  4. Step 4: Simplify right side
    1,443,519.73x = 1,718,287,083,671.74
  5. Step 5: Solve for x
    x = 1,718,287,083,671.74/1,443,519.73
  6. Step 6: Final answer
    x = 1,190,345.41

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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.