Home / 930,942.40-1,396,413.60-612,077.80

Finding the Fourth Proportional to 930,942.40, 1,396,413.60 and 612,077.80

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Solution

The fourth proportional to 930,942.40, 1,396,413.60 and 612,077.80 is: 918,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,942.40 : 1,396,413.60 = 612,077.80 : x
  2. Step 2: Convert to fraction form
    930,942.40/1,396,413.60 = 612,077.80/x
  3. Step 3: Cross multiply
    930,942.40x = 1,396,413.60 × 612,077.80
  4. Step 4: Simplify right side
    930,942.40x = 854,713,764,178.08
  5. Step 5: Solve for x
    x = 854,713,764,178.08/930,942.40
  6. Step 6: Final answer
    x = 918,116.70

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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.