Home / 1,168,012.25-1,611,872.16-678,096.23

Finding the Fourth Proportional to 1,168,012.25, 1,611,872.16 and 678,096.23

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Solution

The fourth proportional to 1,168,012.25, 1,611,872.16 and 678,096.23 is: 935,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,012.25 : 1,611,872.16 = 678,096.23 : x
  2. Step 2: Convert to fraction form
    1,168,012.25/1,611,872.16 = 678,096.23/x
  3. Step 3: Cross multiply
    1,168,012.25x = 1,611,872.16 × 678,096.23
  4. Step 4: Simplify right side
    1,168,012.25x = 1,093,004,426,878.60
  5. Step 5: Solve for x
    x = 1,093,004,426,878.60/1,168,012.25
  6. Step 6: Final answer
    x = 935,781.65

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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.