Home / 1,256,114.85-1,883,458.74-857,238.84

Finding the Fourth Proportional to 1,256,114.85, 1,883,458.74 and 857,238.84

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Solution

The fourth proportional to 1,256,114.85, 1,883,458.74 and 857,238.84 is: 1,285,371.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,114.85 : 1,883,458.74 = 857,238.84 : x
  2. Step 2: Convert to fraction form
    1,256,114.85/1,883,458.74 = 857,238.84/x
  3. Step 3: Cross multiply
    1,256,114.85x = 1,883,458.74 × 857,238.84
  4. Step 4: Simplify right side
    1,256,114.85x = 1,614,573,985,465.46
  5. Step 5: Solve for x
    x = 1,614,573,985,465.46/1,256,114.85
  6. Step 6: Final answer
    x = 1,285,371.31

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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.