Home / 1,336,413.60-2,004,620.40-662,623.20

Finding the Fourth Proportional to 1,336,413.60, 2,004,620.40 and 662,623.20

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Solution

The fourth proportional to 1,336,413.60, 2,004,620.40 and 662,623.20 is: 993,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,413.60 : 2,004,620.40 = 662,623.20 : x
  2. Step 2: Convert to fraction form
    1,336,413.60/2,004,620.40 = 662,623.20/x
  3. Step 3: Cross multiply
    1,336,413.60x = 2,004,620.40 × 662,623.20
  4. Step 4: Simplify right side
    1,336,413.60x = 1,328,307,984,233.28
  5. Step 5: Solve for x
    x = 1,328,307,984,233.28/1,336,413.60
  6. Step 6: Final answer
    x = 993,934.80

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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.