Home / 1,585,972.33-2,188,583.19-860,804.47

Finding the Fourth Proportional to 1,585,972.33, 2,188,583.19 and 860,804.47

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Solution

The fourth proportional to 1,585,972.33, 2,188,583.19 and 860,804.47 is: 1,187,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,972.33 : 2,188,583.19 = 860,804.47 : x
  2. Step 2: Convert to fraction form
    1,585,972.33/2,188,583.19 = 860,804.47/x
  3. Step 3: Cross multiply
    1,585,972.33x = 2,188,583.19 × 860,804.47
  4. Step 4: Simplify right side
    1,585,972.33x = 1,883,942,192,918.86
  5. Step 5: Solve for x
    x = 1,883,942,192,918.86/1,585,972.33
  6. Step 6: Final answer
    x = 1,187,878.35

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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.