Home / 806,016.36-1,112,302.62-443,432.46

Finding the Fourth Proportional to 806,016.36, 1,112,302.62 and 443,432.46

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Solution

The fourth proportional to 806,016.36, 1,112,302.62 and 443,432.46 is: 611,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,016.36 : 1,112,302.62 = 443,432.46 : x
  2. Step 2: Convert to fraction form
    806,016.36/1,112,302.62 = 443,432.46/x
  3. Step 3: Cross multiply
    806,016.36x = 1,112,302.62 × 443,432.46
  4. Step 4: Simplify right side
    806,016.36x = 493,231,087,051.05
  5. Step 5: Solve for x
    x = 493,231,087,051.05/806,016.36
  6. Step 6: Final answer
    x = 611,936.82

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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.