Home / 766,241.87-1,057,413.69-444,138.80

Finding the Fourth Proportional to 766,241.87, 1,057,413.69 and 444,138.80

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Solution

The fourth proportional to 766,241.87, 1,057,413.69 and 444,138.80 is: 612,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,241.87 : 1,057,413.69 = 444,138.80 : x
  2. Step 2: Convert to fraction form
    766,241.87/1,057,413.69 = 444,138.80/x
  3. Step 3: Cross multiply
    766,241.87x = 1,057,413.69 × 444,138.80
  4. Step 4: Simplify right side
    766,241.87x = 469,638,442,093.10
  5. Step 5: Solve for x
    x = 469,638,442,093.10/766,241.87
  6. Step 6: Final answer
    x = 612,911.49

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Double scale
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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.