Home / 1,256,439.72-1,883,943.36-857,563.32

Finding the Fourth Proportional to 1,256,439.72, 1,883,943.36 and 857,563.32

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Solution

The fourth proportional to 1,256,439.72, 1,883,943.36 and 857,563.32 is: 1,285,856.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,439.72 : 1,883,943.36 = 857,563.32 : x
  2. Step 2: Convert to fraction form
    1,256,439.72/1,883,943.36 = 857,563.32/x
  3. Step 3: Cross multiply
    1,256,439.72x = 1,883,943.36 × 857,563.32
  4. Step 4: Simplify right side
    1,256,439.72x = 1,615,600,722,493.56
  5. Step 5: Solve for x
    x = 1,615,600,722,493.56/1,256,439.72
  6. Step 6: Final answer
    x = 1,285,856.14

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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.