Home / 1,781,319.25-2,458,376.09-976,658.77

Finding the Fourth Proportional to 1,781,319.25, 2,458,376.09 and 976,658.77

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Solution

The fourth proportional to 1,781,319.25, 2,458,376.09 and 976,658.77 is: 1,347,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,319.25 : 2,458,376.09 = 976,658.77 : x
  2. Step 2: Convert to fraction form
    1,781,319.25/2,458,376.09 = 976,658.77/x
  3. Step 3: Cross multiply
    1,781,319.25x = 2,458,376.09 × 976,658.77
  4. Step 4: Simplify right side
    1,781,319.25x = 2,400,994,568,256.81
  5. Step 5: Solve for x
    x = 2,400,994,568,256.81/1,781,319.25
  6. Step 6: Final answer
    x = 1,347,874.37

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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.