Home / 806,506.71-1,112,936.85-443,861.25

Finding the Fourth Proportional to 806,506.71, 1,112,936.85 and 443,861.25

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Solution

The fourth proportional to 806,506.71, 1,112,936.85 and 443,861.25 is: 612,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,506.71 : 1,112,936.85 = 443,861.25 : x
  2. Step 2: Convert to fraction form
    806,506.71/1,112,936.85 = 443,861.25/x
  3. Step 3: Cross multiply
    806,506.71x = 1,112,936.85 × 443,861.25
  4. Step 4: Simplify right side
    806,506.71x = 493,989,541,412.06
  5. Step 5: Solve for x
    x = 493,989,541,412.06/806,506.71
  6. Step 6: Final answer
    x = 612,505.18

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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.