Home / 806,255.53-1,112,604.73-443,645.46

Finding the Fourth Proportional to 806,255.53, 1,112,604.73 and 443,645.46

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Solution

The fourth proportional to 806,255.53, 1,112,604.73 and 443,645.46 is: 612,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,255.53 : 1,112,604.73 = 443,645.46 : x
  2. Step 2: Convert to fraction form
    806,255.53/1,112,604.73 = 443,645.46/x
  3. Step 3: Cross multiply
    806,255.53x = 1,112,604.73 × 443,645.46
  4. Step 4: Simplify right side
    806,255.53x = 493,602,036,129.91
  5. Step 5: Solve for x
    x = 493,602,036,129.91/806,255.53
  6. Step 6: Final answer
    x = 612,215.38

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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.