Home / 843,420.37-1,163,936.92-461,455.36

Finding the Fourth Proportional to 843,420.37, 1,163,936.92 and 461,455.36

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Solution

The fourth proportional to 843,420.37, 1,163,936.92 and 461,455.36 is: 636,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,420.37 : 1,163,936.92 = 461,455.36 : x
  2. Step 2: Convert to fraction form
    843,420.37/1,163,936.92 = 461,455.36/x
  3. Step 3: Cross multiply
    843,420.37x = 1,163,936.92 × 461,455.36
  4. Step 4: Simplify right side
    843,420.37x = 537,104,930,435.89
  5. Step 5: Solve for x
    x = 537,104,930,435.89/843,420.37
  6. Step 6: Final answer
    x = 636,817.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.