Home / 1,213,168.26-1,674,177.75-669,303.75

Finding the Fourth Proportional to 1,213,168.26, 1,674,177.75 and 669,303.75

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Solution

The fourth proportional to 1,213,168.26, 1,674,177.75 and 669,303.75 is: 923,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,168.26 : 1,674,177.75 = 669,303.75 : x
  2. Step 2: Convert to fraction form
    1,213,168.26/1,674,177.75 = 669,303.75/x
  3. Step 3: Cross multiply
    1,213,168.26x = 1,674,177.75 × 669,303.75
  4. Step 4: Simplify right side
    1,213,168.26x = 1,120,533,446,241.56
  5. Step 5: Solve for x
    x = 1,120,533,446,241.56/1,213,168.26
  6. Step 6: Final answer
    x = 923,642.24

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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.