Home / 1,128,032.33-1,556,687.19-644,596.32

Finding the Fourth Proportional to 1,128,032.33, 1,556,687.19 and 644,596.32

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Solution

The fourth proportional to 1,128,032.33, 1,556,687.19 and 644,596.32 is: 889,544.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,032.33 : 1,556,687.19 = 644,596.32 : x
  2. Step 2: Convert to fraction form
    1,128,032.33/1,556,687.19 = 644,596.32/x
  3. Step 3: Cross multiply
    1,128,032.33x = 1,556,687.19 × 644,596.32
  4. Step 4: Simplify right side
    1,128,032.33x = 1,003,434,834,065.14
  5. Step 5: Solve for x
    x = 1,003,434,834,065.14/1,128,032.33
  6. Step 6: Final answer
    x = 889,544.39

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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.