Home / 739,413.06-1,109,119.78-207,012.52

Finding the Fourth Proportional to 739,413.06, 1,109,119.78 and 207,012.52

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Solution

The fourth proportional to 739,413.06, 1,109,119.78 and 207,012.52 is: 310,518.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,413.06 : 1,109,119.78 = 207,012.52 : x
  2. Step 2: Convert to fraction form
    739,413.06/1,109,119.78 = 207,012.52/x
  3. Step 3: Cross multiply
    739,413.06x = 1,109,119.78 × 207,012.52
  4. Step 4: Simplify right side
    739,413.06x = 229,601,680,639.65
  5. Step 5: Solve for x
    x = 229,601,680,639.65/739,413.06
  6. Step 6: Final answer
    x = 310,518.83

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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.