Home / 805,163.97-1,111,128.58-461,005.18

Finding the Fourth Proportional to 805,163.97, 1,111,128.58 and 461,005.18

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Solution

The fourth proportional to 805,163.97, 1,111,128.58 and 461,005.18 is: 636,188.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,163.97 : 1,111,128.58 = 461,005.18 : x
  2. Step 2: Convert to fraction form
    805,163.97/1,111,128.58 = 461,005.18/x
  3. Step 3: Cross multiply
    805,163.97x = 1,111,128.58 × 461,005.18
  4. Step 4: Simplify right side
    805,163.97x = 512,236,031,026.04
  5. Step 5: Solve for x
    x = 512,236,031,026.04/805,163.97
  6. Step 6: Final answer
    x = 636,188.47

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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.