Home / 1,226,008.86-1,836,622.17-691,914.30

Finding the Fourth Proportional to 1,226,008.86, 1,836,622.17 and 691,914.30

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Solution

The fourth proportional to 1,226,008.86, 1,836,622.17 and 691,914.30 is: 1,036,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,008.86 : 1,836,622.17 = 691,914.30 : x
  2. Step 2: Convert to fraction form
    1,226,008.86/1,836,622.17 = 691,914.30/x
  3. Step 3: Cross multiply
    1,226,008.86x = 1,836,622.17 × 691,914.30
  4. Step 4: Simplify right side
    1,226,008.86x = 1,270,785,143,120.03
  5. Step 5: Solve for x
    x = 1,270,785,143,120.03/1,226,008.86
  6. Step 6: Final answer
    x = 1,036,521.99

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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.