Home / 786,413.80-1,179,620.70-195,437.80

Finding the Fourth Proportional to 786,413.80, 1,179,620.70 and 195,437.80

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Solution

The fourth proportional to 786,413.80, 1,179,620.70 and 195,437.80 is: 293,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,413.80 : 1,179,620.70 = 195,437.80 : x
  2. Step 2: Convert to fraction form
    786,413.80/1,179,620.70 = 195,437.80/x
  3. Step 3: Cross multiply
    786,413.80x = 1,179,620.70 × 195,437.80
  4. Step 4: Simplify right side
    786,413.80x = 230,542,474,442.46
  5. Step 5: Solve for x
    x = 230,542,474,442.46/786,413.80
  6. Step 6: Final answer
    x = 293,156.70

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Half scale
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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.