Home / 1,214,701.92-1,821,866.04-405,100.52

Finding the Fourth Proportional to 1,214,701.92, 1,821,866.04 and 405,100.52

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Solution

The fourth proportional to 1,214,701.92, 1,821,866.04 and 405,100.52 is: 607,588.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,701.92 : 1,821,866.04 = 405,100.52 : x
  2. Step 2: Convert to fraction form
    1,214,701.92/1,821,866.04 = 405,100.52/x
  3. Step 3: Cross multiply
    1,214,701.92x = 1,821,866.04 × 405,100.52
  4. Step 4: Simplify right side
    1,214,701.92x = 738,038,880,174.34
  5. Step 5: Solve for x
    x = 738,038,880,174.34/1,214,701.92
  6. Step 6: Final answer
    x = 607,588.47

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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.