Home / 806,021.86-1,112,310.22-443,437.96

Finding the Fourth Proportional to 806,021.86, 1,112,310.22 and 443,437.96

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Solution

The fourth proportional to 806,021.86, 1,112,310.22 and 443,437.96 is: 611,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,021.86 : 1,112,310.22 = 443,437.96 : x
  2. Step 2: Convert to fraction form
    806,021.86/1,112,310.22 = 443,437.96/x
  3. Step 3: Cross multiply
    806,021.86x = 1,112,310.22 × 443,437.96
  4. Step 4: Simplify right side
    806,021.86x = 493,240,574,843.95
  5. Step 5: Solve for x
    x = 493,240,574,843.95/806,021.86
  6. Step 6: Final answer
    x = 611,944.41

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1.5x scale

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.