Home / 943,921.60-1,415,882.40-279,073.60

Finding the Fourth Proportional to 943,921.60, 1,415,882.40 and 279,073.60

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Solution

The fourth proportional to 943,921.60, 1,415,882.40 and 279,073.60 is: 418,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,921.60 : 1,415,882.40 = 279,073.60 : x
  2. Step 2: Convert to fraction form
    943,921.60/1,415,882.40 = 279,073.60/x
  3. Step 3: Cross multiply
    943,921.60x = 1,415,882.40 × 279,073.60
  4. Step 4: Simplify right side
    943,921.60x = 395,135,398,544.64
  5. Step 5: Solve for x
    x = 395,135,398,544.64/943,921.60
  6. Step 6: Final answer
    x = 418,610.40

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Similar ratio
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1.5x scale

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.