Home / 1,214,849.18-1,821,137.89-540,564.27

Finding the Fourth Proportional to 1,214,849.18, 1,821,137.89 and 540,564.27

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Solution

The fourth proportional to 1,214,849.18, 1,821,137.89 and 540,564.27 is: 810,340.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,849.18 : 1,821,137.89 = 540,564.27 : x
  2. Step 2: Convert to fraction form
    1,214,849.18/1,821,137.89 = 540,564.27/x
  3. Step 3: Cross multiply
    1,214,849.18x = 1,821,137.89 × 540,564.27
  4. Step 4: Simplify right side
    1,214,849.18x = 984,442,074,077.19
  5. Step 5: Solve for x
    x = 984,442,074,077.19/1,214,849.18
  6. Step 6: Final answer
    x = 810,340.98

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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.