Home / 1,198,957.86-1,798,203.48-345,969.54

Finding the Fourth Proportional to 1,198,957.86, 1,798,203.48 and 345,969.54

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Solution

The fourth proportional to 1,198,957.86, 1,798,203.48 and 345,969.54 is: 518,886.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,957.86 : 1,798,203.48 = 345,969.54 : x
  2. Step 2: Convert to fraction form
    1,198,957.86/1,798,203.48 = 345,969.54/x
  3. Step 3: Cross multiply
    1,198,957.86x = 1,798,203.48 × 345,969.54
  4. Step 4: Simplify right side
    1,198,957.86x = 622,123,630,802.00
  5. Step 5: Solve for x
    x = 622,123,630,802.00/1,198,957.86
  6. Step 6: Final answer
    x = 518,886.99

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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.