Home / 1,226,011.86-1,836,626.67-691,917.30

Finding the Fourth Proportional to 1,226,011.86, 1,836,626.67 and 691,917.30

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Solution

The fourth proportional to 1,226,011.86, 1,836,626.67 and 691,917.30 is: 1,036,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,011.86 : 1,836,626.67 = 691,917.30 : x
  2. Step 2: Convert to fraction form
    1,226,011.86/1,836,626.67 = 691,917.30/x
  3. Step 3: Cross multiply
    1,226,011.86x = 1,836,626.67 × 691,917.30
  4. Step 4: Simplify right side
    1,226,011.86x = 1,270,793,766,614.39
  5. Step 5: Solve for x
    x = 1,270,793,766,614.39/1,226,011.86
  6. Step 6: Final answer
    x = 1,036,526.49

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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.