Home / 1,279,443.60-1,918,290.60-605,847.60

Finding the Fourth Proportional to 1,279,443.60, 1,918,290.60 and 605,847.60

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Solution

The fourth proportional to 1,279,443.60, 1,918,290.60 and 605,847.60 is: 908,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,443.60 : 1,918,290.60 = 605,847.60 : x
  2. Step 2: Convert to fraction form
    1,279,443.60/1,918,290.60 = 605,847.60/x
  3. Step 3: Cross multiply
    1,279,443.60x = 1,918,290.60 × 605,847.60
  4. Step 4: Simplify right side
    1,279,443.60x = 1,162,191,756,112.56
  5. Step 5: Solve for x
    x = 1,162,191,756,112.56/1,279,443.60
  6. Step 6: Final answer
    x = 908,357.16

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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.