Home / 1,190,947.66-1,643,522.76-647,092.60

Finding the Fourth Proportional to 1,190,947.66, 1,643,522.76 and 647,092.60

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Solution

The fourth proportional to 1,190,947.66, 1,643,522.76 and 647,092.60 is: 892,995.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,947.66 : 1,643,522.76 = 647,092.60 : x
  2. Step 2: Convert to fraction form
    1,190,947.66/1,643,522.76 = 647,092.60/x
  3. Step 3: Cross multiply
    1,190,947.66x = 1,643,522.76 × 647,092.60
  4. Step 4: Simplify right side
    1,190,947.66x = 1,063,511,415,927.58
  5. Step 5: Solve for x
    x = 1,063,511,415,927.58/1,190,947.66
  6. Step 6: Final answer
    x = 892,995.93

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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.