Home / 729,132.40-1,093,698.60-662,647.60

Finding the Fourth Proportional to 729,132.40, 1,093,698.60 and 662,647.60

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Solution

The fourth proportional to 729,132.40, 1,093,698.60 and 662,647.60 is: 993,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,132.40 : 1,093,698.60 = 662,647.60 : x
  2. Step 2: Convert to fraction form
    729,132.40/1,093,698.60 = 662,647.60/x
  3. Step 3: Cross multiply
    729,132.40x = 1,093,698.60 × 662,647.60
  4. Step 4: Simplify right side
    729,132.40x = 724,736,752,413.36
  5. Step 5: Solve for x
    x = 724,736,752,413.36/729,132.40
  6. Step 6: Final answer
    x = 993,971.40

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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.