Home / 886,867.53-1,329,956.19-287,683.80

Finding the Fourth Proportional to 886,867.53, 1,329,956.19 and 287,683.80

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Solution

The fourth proportional to 886,867.53, 1,329,956.19 and 287,683.80 is: 431,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,867.53 : 1,329,956.19 = 287,683.80 : x
  2. Step 2: Convert to fraction form
    886,867.53/1,329,956.19 = 287,683.80/x
  3. Step 3: Cross multiply
    886,867.53x = 1,329,956.19 × 287,683.80
  4. Step 4: Simplify right side
    886,867.53x = 382,606,850,572.72
  5. Step 5: Solve for x
    x = 382,606,850,572.72/886,867.53
  6. Step 6: Final answer
    x = 431,413.75

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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.