Home / 1,212,769.12-1,819,158-371,317.36

Finding the Fourth Proportional to 1,212,769.12, 1,819,158 and 371,317.36

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Solution

The fourth proportional to 1,212,769.12, 1,819,158 and 371,317.36 is: 556,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,769.12 : 1,819,158 = 371,317.36 : x
  2. Step 2: Convert to fraction form
    1,212,769.12/1,819,158 = 371,317.36/x
  3. Step 3: Cross multiply
    1,212,769.12x = 1,819,158 × 371,317.36
  4. Step 4: Simplify right side
    1,212,769.12x = 675,484,945,982.88
  5. Step 5: Solve for x
    x = 675,484,945,982.88/1,212,769.12
  6. Step 6: Final answer
    x = 556,977.36

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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.