Home / 1,305,268.57-1,957,669.30-830,543.77

Finding the Fourth Proportional to 1,305,268.57, 1,957,669.30 and 830,543.77

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Solution

The fourth proportional to 1,305,268.57, 1,957,669.30 and 830,543.77 is: 1,245,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,268.57 : 1,957,669.30 = 830,543.77 : x
  2. Step 2: Convert to fraction form
    1,305,268.57/1,957,669.30 = 830,543.77/x
  3. Step 3: Cross multiply
    1,305,268.57x = 1,957,669.30 × 830,543.77
  4. Step 4: Simplify right side
    1,305,268.57x = 1,625,930,040,835.26
  5. Step 5: Solve for x
    x = 1,625,930,040,835.26/1,305,268.57
  6. Step 6: Final answer
    x = 1,245,667.04

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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.