Home / 805,164.23-1,111,128.95-461,005.44

Finding the Fourth Proportional to 805,164.23, 1,111,128.95 and 461,005.44

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Solution

The fourth proportional to 805,164.23, 1,111,128.95 and 461,005.44 is: 636,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,164.23 : 1,111,128.95 = 461,005.44 : x
  2. Step 2: Convert to fraction form
    805,164.23/1,111,128.95 = 461,005.44/x
  3. Step 3: Cross multiply
    805,164.23x = 1,111,128.95 × 461,005.44
  4. Step 4: Simplify right side
    805,164.23x = 512,236,485,408.64
  5. Step 5: Solve for x
    x = 512,236,485,408.64/805,164.23
  6. Step 6: Final answer
    x = 636,188.82

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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.