Home / 806,257.04-1,112,606.79-443,646.96

Finding the Fourth Proportional to 806,257.04, 1,112,606.79 and 443,646.96

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Solution

The fourth proportional to 806,257.04, 1,112,606.79 and 443,646.96 is: 612,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,257.04 : 1,112,606.79 = 443,646.96 : x
  2. Step 2: Convert to fraction form
    806,257.04/1,112,606.79 = 443,646.96/x
  3. Step 3: Cross multiply
    806,257.04x = 1,112,606.79 × 443,646.96
  4. Step 4: Simplify right side
    806,257.04x = 493,604,620,058.86
  5. Step 5: Solve for x
    x = 493,604,620,058.86/806,257.04
  6. Step 6: Final answer
    x = 612,217.44

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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.