Home / 1,774,544.80-2,661,817.20-512,413.60

Finding the Fourth Proportional to 1,774,544.80, 2,661,817.20 and 512,413.60

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Solution

The fourth proportional to 1,774,544.80, 2,661,817.20 and 512,413.60 is: 768,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,544.80 : 2,661,817.20 = 512,413.60 : x
  2. Step 2: Convert to fraction form
    1,774,544.80/2,661,817.20 = 512,413.60/x
  3. Step 3: Cross multiply
    1,774,544.80x = 2,661,817.20 × 512,413.60
  4. Step 4: Simplify right side
    1,774,544.80x = 1,363,951,333,993.92
  5. Step 5: Solve for x
    x = 1,363,951,333,993.92/1,774,544.80
  6. Step 6: Final answer
    x = 768,620.40

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Similar ratio
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1.5x scale

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.