Home / 1,256,220.98-1,883,617.65-857,344.98

Finding the Fourth Proportional to 1,256,220.98, 1,883,617.65 and 857,344.98

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Solution

The fourth proportional to 1,256,220.98, 1,883,617.65 and 857,344.98 is: 1,285,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,220.98 : 1,883,617.65 = 857,344.98 : x
  2. Step 2: Convert to fraction form
    1,256,220.98/1,883,617.65 = 857,344.98/x
  3. Step 3: Cross multiply
    1,256,220.98x = 1,883,617.65 × 857,344.98
  4. Step 4: Simplify right side
    1,256,220.98x = 1,614,910,136,466.90
  5. Step 5: Solve for x
    x = 1,614,910,136,466.90/1,256,220.98
  6. Step 6: Final answer
    x = 1,285,530.31

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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.