Home / 806,471.70-1,112,922.18-443,887.80

Finding the Fourth Proportional to 806,471.70, 1,112,922.18 and 443,887.80

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Solution

The fourth proportional to 806,471.70, 1,112,922.18 and 443,887.80 is: 612,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,471.70 : 1,112,922.18 = 443,887.80 : x
  2. Step 2: Convert to fraction form
    806,471.70/1,112,922.18 = 443,887.80/x
  3. Step 3: Cross multiply
    806,471.70x = 1,112,922.18 × 443,887.80
  4. Step 4: Simplify right side
    806,471.70x = 494,012,578,051.40
  5. Step 5: Solve for x
    x = 494,012,578,051.40/806,471.70
  6. Step 6: Final answer
    x = 612,560.34

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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.