Home / 806,263.26-1,112,615.40-443,653.21

Finding the Fourth Proportional to 806,263.26, 1,112,615.40 and 443,653.21

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Solution

The fourth proportional to 806,263.26, 1,112,615.40 and 443,653.21 is: 612,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,263.26 : 1,112,615.40 = 443,653.21 : x
  2. Step 2: Convert to fraction form
    806,263.26/1,112,615.40 = 443,653.21/x
  3. Step 3: Cross multiply
    806,263.26x = 1,112,615.40 × 443,653.21
  4. Step 4: Simplify right side
    806,263.26x = 493,615,393,705.43
  5. Step 5: Solve for x
    x = 493,615,393,705.43/806,263.26
  6. Step 6: Final answer
    x = 612,226.08

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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.