Home / 1,214,010.66-1,821,014.78-361,078.91

Finding the Fourth Proportional to 1,214,010.66, 1,821,014.78 and 361,078.91

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Solution

The fourth proportional to 1,214,010.66, 1,821,014.78 and 361,078.91 is: 541,618.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,010.66 : 1,821,014.78 = 361,078.91 : x
  2. Step 2: Convert to fraction form
    1,214,010.66/1,821,014.78 = 361,078.91/x
  3. Step 3: Cross multiply
    1,214,010.66x = 1,821,014.78 × 361,078.91
  4. Step 4: Simplify right side
    1,214,010.66x = 657,530,020,945.82
  5. Step 5: Solve for x
    x = 657,530,020,945.82/1,214,010.66
  6. Step 6: Final answer
    x = 541,618.00

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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.