Home / 984,511.70-1,477,016.61-274,539.81

Finding the Fourth Proportional to 984,511.70, 1,477,016.61 and 274,539.81

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Solution

The fourth proportional to 984,511.70, 1,477,016.61 and 274,539.81 is: 411,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,511.70 : 1,477,016.61 = 274,539.81 : x
  2. Step 2: Convert to fraction form
    984,511.70/1,477,016.61 = 274,539.81/x
  3. Step 3: Cross multiply
    984,511.70x = 1,477,016.61 × 274,539.81
  4. Step 4: Simplify right side
    984,511.70x = 405,499,859,476.24
  5. Step 5: Solve for x
    x = 405,499,859,476.24/984,511.70
  6. Step 6: Final answer
    x = 411,879.17

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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.