Home / 1,352,413.44-1,866,353.49-740,556.45

Finding the Fourth Proportional to 1,352,413.44, 1,866,353.49 and 740,556.45

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Solution

The fourth proportional to 1,352,413.44, 1,866,353.49 and 740,556.45 is: 1,021,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352,413.44 : 1,866,353.49 = 740,556.45 : x
  2. Step 2: Convert to fraction form
    1,352,413.44/1,866,353.49 = 740,556.45/x
  3. Step 3: Cross multiply
    1,352,413.44x = 1,866,353.49 × 740,556.45
  4. Step 4: Simplify right side
    1,352,413.44x = 1,382,140,114,999.51
  5. Step 5: Solve for x
    x = 1,382,140,114,999.51/1,352,413.44
  6. Step 6: Final answer
    x = 1,021,980.46

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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.