Home / 1,003,556.77-1,384,571.26-641,192.74

Finding the Fourth Proportional to 1,003,556.77, 1,384,571.26 and 641,192.74

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Solution

The fourth proportional to 1,003,556.77, 1,384,571.26 and 641,192.74 is: 884,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,556.77 : 1,384,571.26 = 641,192.74 : x
  2. Step 2: Convert to fraction form
    1,003,556.77/1,384,571.26 = 641,192.74/x
  3. Step 3: Cross multiply
    1,003,556.77x = 1,384,571.26 × 641,192.74
  4. Step 4: Simplify right side
    1,003,556.77x = 887,777,044,151.22
  5. Step 5: Solve for x
    x = 887,777,044,151.22/1,003,556.77
  6. Step 6: Final answer
    x = 884,630.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.