Home / 806,706.20-1,113,212.36-444,059.28

Finding the Fourth Proportional to 806,706.20, 1,113,212.36 and 444,059.28

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Solution

The fourth proportional to 806,706.20, 1,113,212.36 and 444,059.28 is: 612,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,706.20 : 1,113,212.36 = 444,059.28 : x
  2. Step 2: Convert to fraction form
    806,706.20/1,113,212.36 = 444,059.28/x
  3. Step 3: Cross multiply
    806,706.20x = 1,113,212.36 × 444,059.28
  4. Step 4: Simplify right side
    806,706.20x = 494,332,280,178.85
  5. Step 5: Solve for x
    x = 494,332,280,178.85/806,706.20
  6. Step 6: Final answer
    x = 612,778.58

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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.