Home / 1,256,222.48-1,883,619.90-857,346.48

Finding the Fourth Proportional to 1,256,222.48, 1,883,619.90 and 857,346.48

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Solution

The fourth proportional to 1,256,222.48, 1,883,619.90 and 857,346.48 is: 1,285,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,222.48 : 1,883,619.90 = 857,346.48 : x
  2. Step 2: Convert to fraction form
    1,256,222.48/1,883,619.90 = 857,346.48/x
  3. Step 3: Cross multiply
    1,256,222.48x = 1,883,619.90 × 857,346.48
  4. Step 4: Simplify right side
    1,256,222.48x = 1,614,914,890,922.95
  5. Step 5: Solve for x
    x = 1,614,914,890,922.95/1,256,222.48
  6. Step 6: Final answer
    x = 1,285,532.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.