Home / 1,305,208.89-1,957,734.36-776,097.05

Finding the Fourth Proportional to 1,305,208.89, 1,957,734.36 and 776,097.05

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Solution

The fourth proportional to 1,305,208.89, 1,957,734.36 and 776,097.05 is: 1,164,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,208.89 : 1,957,734.36 = 776,097.05 : x
  2. Step 2: Convert to fraction form
    1,305,208.89/1,957,734.36 = 776,097.05/x
  3. Step 3: Cross multiply
    1,305,208.89x = 1,957,734.36 × 776,097.05
  4. Step 4: Simplify right side
    1,305,208.89x = 1,519,391,851,690.97
  5. Step 5: Solve for x
    x = 1,519,391,851,690.97/1,305,208.89
  6. Step 6: Final answer
    x = 1,164,098.61

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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.