Home / 1,305,168.39-1,957,673.61-776,056.55

Finding the Fourth Proportional to 1,305,168.39, 1,957,673.61 and 776,056.55

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Solution

The fourth proportional to 1,305,168.39, 1,957,673.61 and 776,056.55 is: 1,164,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,168.39 : 1,957,673.61 = 776,056.55 : x
  2. Step 2: Convert to fraction form
    1,305,168.39/1,957,673.61 = 776,056.55/x
  3. Step 3: Cross multiply
    1,305,168.39x = 1,957,673.61 × 776,056.55
  4. Step 4: Simplify right side
    1,305,168.39x = 1,519,265,418,014.28
  5. Step 5: Solve for x
    x = 1,519,265,418,014.28/1,305,168.39
  6. Step 6: Final answer
    x = 1,164,037.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.