Home / 1,190,968.22-1,643,516.21-647,112.34

Finding the Fourth Proportional to 1,190,968.22, 1,643,516.21 and 647,112.34

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Solution

The fourth proportional to 1,190,968.22, 1,643,516.21 and 647,112.34 is: 893,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,968.22 : 1,643,516.21 = 647,112.34 : x
  2. Step 2: Convert to fraction form
    1,190,968.22/1,643,516.21 = 647,112.34/x
  3. Step 3: Cross multiply
    1,190,968.22x = 1,643,516.21 × 647,112.34
  4. Step 4: Simplify right side
    1,190,968.22x = 1,063,539,620,481.03
  5. Step 5: Solve for x
    x = 1,063,539,620,481.03/1,190,968.22
  6. Step 6: Final answer
    x = 893,004.20

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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.