Home / 1,226,008.36-1,836,621.42-691,913.80

Finding the Fourth Proportional to 1,226,008.36, 1,836,621.42 and 691,913.80

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Solution

The fourth proportional to 1,226,008.36, 1,836,621.42 and 691,913.80 is: 1,036,521.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,008.36 : 1,836,621.42 = 691,913.80 : x
  2. Step 2: Convert to fraction form
    1,226,008.36/1,836,621.42 = 691,913.80/x
  3. Step 3: Cross multiply
    1,226,008.36x = 1,836,621.42 × 691,913.80
  4. Step 4: Simplify right side
    1,226,008.36x = 1,270,783,705,873.60
  5. Step 5: Solve for x
    x = 1,270,783,705,873.60/1,226,008.36
  6. Step 6: Final answer
    x = 1,036,521.24

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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.