Home / 1,908,726.78-2,863,015.41-646,554.39

Finding the Fourth Proportional to 1,908,726.78, 2,863,015.41 and 646,554.39

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Solution

The fourth proportional to 1,908,726.78, 2,863,015.41 and 646,554.39 is: 969,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,726.78 : 2,863,015.41 = 646,554.39 : x
  2. Step 2: Convert to fraction form
    1,908,726.78/2,863,015.41 = 646,554.39/x
  3. Step 3: Cross multiply
    1,908,726.78x = 2,863,015.41 × 646,554.39
  4. Step 4: Simplify right side
    1,908,726.78x = 1,851,095,181,973.15
  5. Step 5: Solve for x
    x = 1,851,095,181,973.15/1,908,726.78
  6. Step 6: Final answer
    x = 969,806.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.