Home / 1,008,282.72-1,391,413.81-549,403.41

Finding the Fourth Proportional to 1,008,282.72, 1,391,413.81 and 549,403.41

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Solution

The fourth proportional to 1,008,282.72, 1,391,413.81 and 549,403.41 is: 758,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,282.72 : 1,391,413.81 = 549,403.41 : x
  2. Step 2: Convert to fraction form
    1,008,282.72/1,391,413.81 = 549,403.41/x
  3. Step 3: Cross multiply
    1,008,282.72x = 1,391,413.81 × 549,403.41
  4. Step 4: Simplify right side
    1,008,282.72x = 764,447,491,935.09
  5. Step 5: Solve for x
    x = 764,447,491,935.09/1,008,282.72
  6. Step 6: Final answer
    x = 758,167.80

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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.