Home / 1,277,513.56-1,916,781.55-519,413.30

Finding the Fourth Proportional to 1,277,513.56, 1,916,781.55 and 519,413.30

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Solution

The fourth proportional to 1,277,513.56, 1,916,781.55 and 519,413.30 is: 779,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,513.56 : 1,916,781.55 = 519,413.30 : x
  2. Step 2: Convert to fraction form
    1,277,513.56/1,916,781.55 = 519,413.30/x
  3. Step 3: Cross multiply
    1,277,513.56x = 1,916,781.55 × 519,413.30
  4. Step 4: Simplify right side
    1,277,513.56x = 995,601,830,264.62
  5. Step 5: Solve for x
    x = 995,601,830,264.62/1,277,513.56
  6. Step 6: Final answer
    x = 779,327.80

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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.