Home / 1,279,813.25-1,765,991.21-706,819.25

Finding the Fourth Proportional to 1,279,813.25, 1,765,991.21 and 706,819.25

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Solution

The fourth proportional to 1,279,813.25, 1,765,991.21 and 706,819.25 is: 975,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,813.25 : 1,765,991.21 = 706,819.25 : x
  2. Step 2: Convert to fraction form
    1,279,813.25/1,765,991.21 = 706,819.25/x
  3. Step 3: Cross multiply
    1,279,813.25x = 1,765,991.21 × 706,819.25
  4. Step 4: Simplify right side
    1,279,813.25x = 1,248,236,570,194.74
  5. Step 5: Solve for x
    x = 1,248,236,570,194.74/1,279,813.25
  6. Step 6: Final answer
    x = 975,327.12

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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.