Home / 1,222,619.70-1,834,010.55-324,048.90

Finding the Fourth Proportional to 1,222,619.70, 1,834,010.55 and 324,048.90

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Solution

The fourth proportional to 1,222,619.70, 1,834,010.55 and 324,048.90 is: 486,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,619.70 : 1,834,010.55 = 324,048.90 : x
  2. Step 2: Convert to fraction form
    1,222,619.70/1,834,010.55 = 324,048.90/x
  3. Step 3: Cross multiply
    1,222,619.70x = 1,834,010.55 × 324,048.90
  4. Step 4: Simplify right side
    1,222,619.70x = 594,309,101,315.90
  5. Step 5: Solve for x
    x = 594,309,101,315.90/1,222,619.70
  6. Step 6: Final answer
    x = 486,094.82

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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.