Home / 1,253,202.40-1,729,413.48-680,237.56

Finding the Fourth Proportional to 1,253,202.40, 1,729,413.48 and 680,237.56

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Solution

The fourth proportional to 1,253,202.40, 1,729,413.48 and 680,237.56 is: 938,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,202.40 : 1,729,413.48 = 680,237.56 : x
  2. Step 2: Convert to fraction form
    1,253,202.40/1,729,413.48 = 680,237.56/x
  3. Step 3: Cross multiply
    1,253,202.40x = 1,729,413.48 × 680,237.56
  4. Step 4: Simplify right side
    1,253,202.40x = 1,176,412,005,866.31
  5. Step 5: Solve for x
    x = 1,176,412,005,866.31/1,253,202.40
  6. Step 6: Final answer
    x = 938,724.67

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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.