Home / 1,511,003.16-2,085,180.57-831,939.66

Finding the Fourth Proportional to 1,511,003.16, 2,085,180.57 and 831,939.66

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Solution

The fourth proportional to 1,511,003.16, 2,085,180.57 and 831,939.66 is: 1,148,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,003.16 : 2,085,180.57 = 831,939.66 : x
  2. Step 2: Convert to fraction form
    1,511,003.16/2,085,180.57 = 831,939.66/x
  3. Step 3: Cross multiply
    1,511,003.16x = 2,085,180.57 × 831,939.66
  4. Step 4: Simplify right side
    1,511,003.16x = 1,734,744,414,444.41
  5. Step 5: Solve for x
    x = 1,734,744,414,444.41/1,511,003.16
  6. Step 6: Final answer
    x = 1,148,074.64

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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.