Home / 985,328.96-1,359,794.28-622,620.46

Finding the Fourth Proportional to 985,328.96, 1,359,794.28 and 622,620.46

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Solution

The fourth proportional to 985,328.96, 1,359,794.28 and 622,620.46 is: 859,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,328.96 : 1,359,794.28 = 622,620.46 : x
  2. Step 2: Convert to fraction form
    985,328.96/1,359,794.28 = 622,620.46/x
  3. Step 3: Cross multiply
    985,328.96x = 1,359,794.28 × 622,620.46
  4. Step 4: Simplify right side
    985,328.96x = 846,635,740,118.97
  5. Step 5: Solve for x
    x = 846,635,740,118.97/985,328.96
  6. Step 6: Final answer
    x = 859,241.71

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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.