Home / 1,190,569.56-1,643,016.55-646,736.47

Finding the Fourth Proportional to 1,190,569.56, 1,643,016.55 and 646,736.47

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Solution

The fourth proportional to 1,190,569.56, 1,643,016.55 and 646,736.47 is: 892,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,569.56 : 1,643,016.55 = 646,736.47 : x
  2. Step 2: Convert to fraction form
    1,190,569.56/1,643,016.55 = 646,736.47/x
  3. Step 3: Cross multiply
    1,190,569.56x = 1,643,016.55 × 646,736.47
  4. Step 4: Simplify right side
    1,190,569.56x = 1,062,598,717,367.88
  5. Step 5: Solve for x
    x = 1,062,598,717,367.88/1,190,569.56
  6. Step 6: Final answer
    x = 892,512.93

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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.