Home / 750,629.40-1,124,413.20-465,444.60

Finding the Fourth Proportional to 750,629.40, 1,124,413.20 and 465,444.60

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Solution

The fourth proportional to 750,629.40, 1,124,413.20 and 465,444.60 is: 697,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,629.40 : 1,124,413.20 = 465,444.60 : x
  2. Step 2: Convert to fraction form
    750,629.40/1,124,413.20 = 465,444.60/x
  3. Step 3: Cross multiply
    750,629.40x = 1,124,413.20 × 465,444.60
  4. Step 4: Simplify right side
    750,629.40x = 523,352,052,108.72
  5. Step 5: Solve for x
    x = 523,352,052,108.72/750,629.40
  6. Step 6: Final answer
    x = 697,217.63

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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.