Home / 1,229,789.66-1,697,112.06-685,960.67

Finding the Fourth Proportional to 1,229,789.66, 1,697,112.06 and 685,960.67

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Solution

The fourth proportional to 1,229,789.66, 1,697,112.06 and 685,960.67 is: 946,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,789.66 : 1,697,112.06 = 685,960.67 : x
  2. Step 2: Convert to fraction form
    1,229,789.66/1,697,112.06 = 685,960.67/x
  3. Step 3: Cross multiply
    1,229,789.66x = 1,697,112.06 × 685,960.67
  4. Step 4: Simplify right side
    1,229,789.66x = 1,164,152,127,413.11
  5. Step 5: Solve for x
    x = 1,164,152,127,413.11/1,229,789.66
  6. Step 6: Final answer
    x = 946,627.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.