Home / 917,947.37-1,265,628.33-611,351.57

Finding the Fourth Proportional to 917,947.37, 1,265,628.33 and 611,351.57

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Solution

The fourth proportional to 917,947.37, 1,265,628.33 and 611,351.57 is: 842,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,947.37 : 1,265,628.33 = 611,351.57 : x
  2. Step 2: Convert to fraction form
    917,947.37/1,265,628.33 = 611,351.57/x
  3. Step 3: Cross multiply
    917,947.37x = 1,265,628.33 × 611,351.57
  4. Step 4: Simplify right side
    917,947.37x = 773,743,860,253.84
  5. Step 5: Solve for x
    x = 773,743,860,253.84/917,947.37
  6. Step 6: Final answer
    x = 842,906.56

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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.