Home / 1,250,905.78-1,726,203.60-677,933.68

Finding the Fourth Proportional to 1,250,905.78, 1,726,203.60 and 677,933.68

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Solution

The fourth proportional to 1,250,905.78, 1,726,203.60 and 677,933.68 is: 935,523.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,905.78 : 1,726,203.60 = 677,933.68 : x
  2. Step 2: Convert to fraction form
    1,250,905.78/1,726,203.60 = 677,933.68/x
  3. Step 3: Cross multiply
    1,250,905.78x = 1,726,203.60 × 677,933.68
  4. Step 4: Simplify right side
    1,250,905.78x = 1,170,251,558,977.25
  5. Step 5: Solve for x
    x = 1,170,251,558,977.25/1,250,905.78
  6. Step 6: Final answer
    x = 935,523.34

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1.5x scale

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.