Home / 837,413.36-1,155,608.53-488,620.47

Finding the Fourth Proportional to 837,413.36, 1,155,608.53 and 488,620.47

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Solution

The fourth proportional to 837,413.36, 1,155,608.53 and 488,620.47 is: 674,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,413.36 : 1,155,608.53 = 488,620.47 : x
  2. Step 2: Convert to fraction form
    837,413.36/1,155,608.53 = 488,620.47/x
  3. Step 3: Cross multiply
    837,413.36x = 1,155,608.53 × 488,620.47
  4. Step 4: Simplify right side
    837,413.36x = 564,653,981,843.06
  5. Step 5: Solve for x
    x = 564,653,981,843.06/837,413.36
  6. Step 6: Final answer
    x = 674,283.47

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1.5x scale

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.