Home / 806,185.71-1,112,535-443,632.95

Finding the Fourth Proportional to 806,185.71, 1,112,535 and 443,632.95

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Solution

The fourth proportional to 806,185.71, 1,112,535 and 443,632.95 is: 612,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,185.71 : 1,112,535 = 443,632.95 : x
  2. Step 2: Convert to fraction form
    806,185.71/1,112,535 = 443,632.95/x
  3. Step 3: Cross multiply
    806,185.71x = 1,112,535 × 443,632.95
  4. Step 4: Simplify right side
    806,185.71x = 493,557,184,028.25
  5. Step 5: Solve for x
    x = 493,557,184,028.25/806,185.71
  6. Step 6: Final answer
    x = 612,212.77

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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.