Home / 1,128,820.69-1,557,771.28-619,524.37

Finding the Fourth Proportional to 1,128,820.69, 1,557,771.28 and 619,524.37

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Solution

The fourth proportional to 1,128,820.69, 1,557,771.28 and 619,524.37 is: 854,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,820.69 : 1,557,771.28 = 619,524.37 : x
  2. Step 2: Convert to fraction form
    1,128,820.69/1,557,771.28 = 619,524.37/x
  3. Step 3: Cross multiply
    1,128,820.69x = 1,557,771.28 × 619,524.37
  4. Step 4: Simplify right side
    1,128,820.69x = 965,077,270,846.09
  5. Step 5: Solve for x
    x = 965,077,270,846.09/1,128,820.69
  6. Step 6: Final answer
    x = 854,942.93

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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.