Home / 911,874.20-1,367,811.30-734,727.20

Finding the Fourth Proportional to 911,874.20, 1,367,811.30 and 734,727.20

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Solution

The fourth proportional to 911,874.20, 1,367,811.30 and 734,727.20 is: 1,102,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,874.20 : 1,367,811.30 = 734,727.20 : x
  2. Step 2: Convert to fraction form
    911,874.20/1,367,811.30 = 734,727.20/x
  3. Step 3: Cross multiply
    911,874.20x = 1,367,811.30 × 734,727.20
  4. Step 4: Simplify right side
    911,874.20x = 1,004,968,166,577.36
  5. Step 5: Solve for x
    x = 1,004,968,166,577.36/911,874.20
  6. Step 6: Final answer
    x = 1,102,090.80

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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.