Home / 908,078.54-1,253,297.86-692,811.86

Finding the Fourth Proportional to 908,078.54, 1,253,297.86 and 692,811.86

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Solution

The fourth proportional to 908,078.54, 1,253,297.86 and 692,811.86 is: 956,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,078.54 : 1,253,297.86 = 692,811.86 : x
  2. Step 2: Convert to fraction form
    908,078.54/1,253,297.86 = 692,811.86/x
  3. Step 3: Cross multiply
    908,078.54x = 1,253,297.86 × 692,811.86
  4. Step 4: Simplify right side
    908,078.54x = 868,299,621,520.62
  5. Step 5: Solve for x
    x = 868,299,621,520.62/908,078.54
  6. Step 6: Final answer
    x = 956,194.41

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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.