Home / 1,256,114.35-1,883,457.99-857,238.34

Finding the Fourth Proportional to 1,256,114.35, 1,883,457.99 and 857,238.34

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Solution

The fourth proportional to 1,256,114.35, 1,883,457.99 and 857,238.34 is: 1,285,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,114.35 : 1,883,457.99 = 857,238.34 : x
  2. Step 2: Convert to fraction form
    1,256,114.35/1,883,457.99 = 857,238.34/x
  3. Step 3: Cross multiply
    1,256,114.35x = 1,883,457.99 × 857,238.34
  4. Step 4: Simplify right side
    1,256,114.35x = 1,614,572,400,807.34
  5. Step 5: Solve for x
    x = 1,614,572,400,807.34/1,256,114.35
  6. Step 6: Final answer
    x = 1,285,370.56

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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.