Home / 695,959.50-1,043,192.97-455,982.78

Finding the Fourth Proportional to 695,959.50, 1,043,192.97 and 455,982.78

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Solution

The fourth proportional to 695,959.50, 1,043,192.97 and 455,982.78 is: 683,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,959.50 : 1,043,192.97 = 455,982.78 : x
  2. Step 2: Convert to fraction form
    695,959.50/1,043,192.97 = 455,982.78/x
  3. Step 3: Cross multiply
    695,959.50x = 1,043,192.97 × 455,982.78
  4. Step 4: Simplify right side
    695,959.50x = 475,678,030,537.06
  5. Step 5: Solve for x
    x = 475,678,030,537.06/695,959.50
  6. Step 6: Final answer
    x = 683,485.22

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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.