Home / 1,127,806.26-1,556,455.13-644,361.03

Finding the Fourth Proportional to 1,127,806.26, 1,556,455.13 and 644,361.03

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Solution

The fourth proportional to 1,127,806.26, 1,556,455.13 and 644,361.03 is: 889,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,806.26 : 1,556,455.13 = 644,361.03 : x
  2. Step 2: Convert to fraction form
    1,127,806.26/1,556,455.13 = 644,361.03/x
  3. Step 3: Cross multiply
    1,127,806.26x = 1,556,455.13 × 644,361.03
  4. Step 4: Simplify right side
    1,127,806.26x = 1,002,919,027,493.78
  5. Step 5: Solve for x
    x = 1,002,919,027,493.78/1,127,806.26
  6. Step 6: Final answer
    x = 889,265.35

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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.