Home / 993,177.80-1,489,766.70-930,969.80

Finding the Fourth Proportional to 993,177.80, 1,489,766.70 and 930,969.80

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Solution

The fourth proportional to 993,177.80, 1,489,766.70 and 930,969.80 is: 1,396,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,177.80 : 1,489,766.70 = 930,969.80 : x
  2. Step 2: Convert to fraction form
    993,177.80/1,489,766.70 = 930,969.80/x
  3. Step 3: Cross multiply
    993,177.80x = 1,489,766.70 × 930,969.80
  4. Step 4: Simplify right side
    993,177.80x = 1,386,927,806,745.66
  5. Step 5: Solve for x
    x = 1,386,927,806,745.66/993,177.80
  6. Step 6: Final answer
    x = 1,396,454.70

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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.