Home / 1,305,141.93-1,957,634.46-776,030.22

Finding the Fourth Proportional to 1,305,141.93, 1,957,634.46 and 776,030.22

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Solution

The fourth proportional to 1,305,141.93, 1,957,634.46 and 776,030.22 is: 1,163,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,141.93 : 1,957,634.46 = 776,030.22 : x
  2. Step 2: Convert to fraction form
    1,305,141.93/1,957,634.46 = 776,030.22/x
  3. Step 3: Cross multiply
    1,305,141.93x = 1,957,634.46 × 776,030.22
  4. Step 4: Simplify right side
    1,305,141.93x = 1,519,183,500,673.38
  5. Step 5: Solve for x
    x = 1,519,183,500,673.38/1,305,141.93
  6. Step 6: Final answer
    x = 1,163,998.69

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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.