Home / 1,315,413.60-1,973,175.27-416,835.44

Finding the Fourth Proportional to 1,315,413.60, 1,973,175.27 and 416,835.44

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Solution

The fourth proportional to 1,315,413.60, 1,973,175.27 and 416,835.44 is: 625,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,413.60 : 1,973,175.27 = 416,835.44 : x
  2. Step 2: Convert to fraction form
    1,315,413.60/1,973,175.27 = 416,835.44/x
  3. Step 3: Cross multiply
    1,315,413.60x = 1,973,175.27 × 416,835.44
  4. Step 4: Simplify right side
    1,315,413.60x = 822,489,381,867.57
  5. Step 5: Solve for x
    x = 822,489,381,867.57/1,315,413.60
  6. Step 6: Final answer
    x = 625,270.55

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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.