Home / 1,250,571.36-1,725,820.62-767,403.48

Finding the Fourth Proportional to 1,250,571.36, 1,725,820.62 and 767,403.48

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Solution

The fourth proportional to 1,250,571.36, 1,725,820.62 and 767,403.48 is: 1,059,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,571.36 : 1,725,820.62 = 767,403.48 : x
  2. Step 2: Convert to fraction form
    1,250,571.36/1,725,820.62 = 767,403.48/x
  3. Step 3: Cross multiply
    1,250,571.36x = 1,725,820.62 × 767,403.48
  4. Step 4: Simplify right side
    1,250,571.36x = 1,324,400,749,643.76
  5. Step 5: Solve for x
    x = 1,324,400,749,643.76/1,250,571.36
  6. Step 6: Final answer
    x = 1,059,036.53

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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.