Home / 806,188.28-1,112,547.71-443,619.93

Finding the Fourth Proportional to 806,188.28, 1,112,547.71 and 443,619.93

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Solution

The fourth proportional to 806,188.28, 1,112,547.71 and 443,619.93 is: 612,199.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,188.28 : 1,112,547.71 = 443,619.93 : x
  2. Step 2: Convert to fraction form
    806,188.28/1,112,547.71 = 443,619.93/x
  3. Step 3: Cross multiply
    806,188.28x = 1,112,547.71 × 443,619.93
  4. Step 4: Simplify right side
    806,188.28x = 493,548,342,512.96
  5. Step 5: Solve for x
    x = 493,548,342,512.96/806,188.28
  6. Step 6: Final answer
    x = 612,199.85

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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.