Home / 806,461.58-1,112,908.16-443,877.63

Finding the Fourth Proportional to 806,461.58, 1,112,908.16 and 443,877.63

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Solution

The fourth proportional to 806,461.58, 1,112,908.16 and 443,877.63 is: 612,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,461.58 : 1,112,908.16 = 443,877.63 : x
  2. Step 2: Convert to fraction form
    806,461.58/1,112,908.16 = 443,877.63/x
  3. Step 3: Cross multiply
    806,461.58x = 1,112,908.16 × 443,877.63
  4. Step 4: Simplify right side
    806,461.58x = 493,995,037,578.16
  5. Step 5: Solve for x
    x = 493,995,037,578.16/806,461.58
  6. Step 6: Final answer
    x = 612,546.28

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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.