Home / 1,214,945.80-1,819,794.30-1,004,993.80

Finding the Fourth Proportional to 1,214,945.80, 1,819,794.30 and 1,004,993.80

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Solution

The fourth proportional to 1,214,945.80, 1,819,794.30 and 1,004,993.80 is: 1,505,319.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,945.80 : 1,819,794.30 = 1,004,993.80 : x
  2. Step 2: Convert to fraction form
    1,214,945.80/1,819,794.30 = 1,004,993.80/x
  3. Step 3: Cross multiply
    1,214,945.80x = 1,819,794.30 × 1,004,993.80
  4. Step 4: Simplify right side
    1,214,945.80x = 1,828,881,988,775.34
  5. Step 5: Solve for x
    x = 1,828,881,988,775.34/1,214,945.80
  6. Step 6: Final answer
    x = 1,505,319.82

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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.