Home / 1,212,313.38-1,819,179-673,023.75

Finding the Fourth Proportional to 1,212,313.38, 1,819,179 and 673,023.75

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Solution

The fourth proportional to 1,212,313.38, 1,819,179 and 673,023.75 is: 1,009,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,313.38 : 1,819,179 = 673,023.75 : x
  2. Step 2: Convert to fraction form
    1,212,313.38/1,819,179 = 673,023.75/x
  3. Step 3: Cross multiply
    1,212,313.38x = 1,819,179 × 673,023.75
  4. Step 4: Simplify right side
    1,212,313.38x = 1,224,350,672,501.25
  5. Step 5: Solve for x
    x = 1,224,350,672,501.25/1,212,313.38
  6. Step 6: Final answer
    x = 1,009,929.19

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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.