Home / 683,493.70-1,025,240.55-304,413.70

Finding the Fourth Proportional to 683,493.70, 1,025,240.55 and 304,413.70

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Solution

The fourth proportional to 683,493.70, 1,025,240.55 and 304,413.70 is: 456,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,493.70 : 1,025,240.55 = 304,413.70 : x
  2. Step 2: Convert to fraction form
    683,493.70/1,025,240.55 = 304,413.70/x
  3. Step 3: Cross multiply
    683,493.70x = 1,025,240.55 × 304,413.70
  4. Step 4: Simplify right side
    683,493.70x = 312,097,269,215.54
  5. Step 5: Solve for x
    x = 312,097,269,215.54/683,493.70
  6. Step 6: Final answer
    x = 456,620.55

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Double scale
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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.