Home / 937,910.95-1,294,763.38-628,346.57

Finding the Fourth Proportional to 937,910.95, 1,294,763.38 and 628,346.57

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Solution

The fourth proportional to 937,910.95, 1,294,763.38 and 628,346.57 is: 867,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,910.95 : 1,294,763.38 = 628,346.57 : x
  2. Step 2: Convert to fraction form
    937,910.95/1,294,763.38 = 628,346.57/x
  3. Step 3: Cross multiply
    937,910.95x = 1,294,763.38 × 628,346.57
  4. Step 4: Simplify right side
    937,910.95x = 813,560,120,739.92
  5. Step 5: Solve for x
    x = 813,560,120,739.92/937,910.95
  6. Step 6: Final answer
    x = 867,417.23

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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.