Home / 1,214,190.27-1,820,968.05-361,032.15

Finding the Fourth Proportional to 1,214,190.27, 1,820,968.05 and 361,032.15

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Solution

The fourth proportional to 1,214,190.27, 1,820,968.05 and 361,032.15 is: 541,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,190.27 : 1,820,968.05 = 361,032.15 : x
  2. Step 2: Convert to fraction form
    1,214,190.27/1,820,968.05 = 361,032.15/x
  3. Step 3: Cross multiply
    1,214,190.27x = 1,820,968.05 × 361,032.15
  4. Step 4: Simplify right side
    1,214,190.27x = 657,428,010,172.81
  5. Step 5: Solve for x
    x = 657,428,010,172.81/1,214,190.27
  6. Step 6: Final answer
    x = 541,453.86

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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.