Home / 1,191,768.74-1,644,659.57-647,906.61

Finding the Fourth Proportional to 1,191,768.74, 1,644,659.57 and 647,906.61

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Solution

The fourth proportional to 1,191,768.74, 1,644,659.57 and 647,906.61 is: 894,121.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,768.74 : 1,644,659.57 = 647,906.61 : x
  2. Step 2: Convert to fraction form
    1,191,768.74/1,644,659.57 = 647,906.61/x
  3. Step 3: Cross multiply
    1,191,768.74x = 1,644,659.57 × 647,906.61
  4. Step 4: Simplify right side
    1,191,768.74x = 1,065,585,806,602.76
  5. Step 5: Solve for x
    x = 1,065,585,806,602.76/1,191,768.74
  6. Step 6: Final answer
    x = 894,121.29

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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.