Home / 943,957.60-1,415,936.40-279,109.60

Finding the Fourth Proportional to 943,957.60, 1,415,936.40 and 279,109.60

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Solution

The fourth proportional to 943,957.60, 1,415,936.40 and 279,109.60 is: 418,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,957.60 : 1,415,936.40 = 279,109.60 : x
  2. Step 2: Convert to fraction form
    943,957.60/1,415,936.40 = 279,109.60/x
  3. Step 3: Cross multiply
    943,957.60x = 1,415,936.40 × 279,109.60
  4. Step 4: Simplify right side
    943,957.60x = 395,201,442,229.44
  5. Step 5: Solve for x
    x = 395,201,442,229.44/943,957.60
  6. Step 6: Final answer
    x = 418,664.40

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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.