Home / 1,116,929-1,541,446.26-681,307.31

Finding the Fourth Proportional to 1,116,929, 1,541,446.26 and 681,307.31

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Solution

The fourth proportional to 1,116,929, 1,541,446.26 and 681,307.31 is: 940,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,929 : 1,541,446.26 = 681,307.31 : x
  2. Step 2: Convert to fraction form
    1,116,929/1,541,446.26 = 681,307.31/x
  3. Step 3: Cross multiply
    1,116,929x = 1,541,446.26 × 681,307.31
  4. Step 4: Simplify right side
    1,116,929x = 1,050,198,604,910.16
  5. Step 5: Solve for x
    x = 1,050,198,604,910.16/1,116,929
  6. Step 6: Final answer
    x = 940,255.47

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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.