Home / 1,279,185.60-1,765,278.74-706,226.88

Finding the Fourth Proportional to 1,279,185.60, 1,765,278.74 and 706,226.88

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Solution

The fourth proportional to 1,279,185.60, 1,765,278.74 and 706,226.88 is: 974,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,185.60 : 1,765,278.74 = 706,226.88 : x
  2. Step 2: Convert to fraction form
    1,279,185.60/1,765,278.74 = 706,226.88/x
  3. Step 3: Cross multiply
    1,279,185.60x = 1,765,278.74 × 706,226.88
  4. Step 4: Simplify right side
    1,279,185.60x = 1,246,687,296,880.53
  5. Step 5: Solve for x
    x = 1,246,687,296,880.53/1,279,185.60
  6. Step 6: Final answer
    x = 974,594.54

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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.