Home / 1,279,419.60-1,918,254.60-605,823.60

Finding the Fourth Proportional to 1,279,419.60, 1,918,254.60 and 605,823.60

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Solution

The fourth proportional to 1,279,419.60, 1,918,254.60 and 605,823.60 is: 908,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,419.60 : 1,918,254.60 = 605,823.60 : x
  2. Step 2: Convert to fraction form
    1,279,419.60/1,918,254.60 = 605,823.60/x
  3. Step 3: Cross multiply
    1,279,419.60x = 1,918,254.60 × 605,823.60
  4. Step 4: Simplify right side
    1,279,419.60x = 1,162,123,907,488.56
  5. Step 5: Solve for x
    x = 1,162,123,907,488.56/1,279,419.60
  6. Step 6: Final answer
    x = 908,321.17

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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.