Home / 1,250,638.25-1,725,886.77-677,679.44

Finding the Fourth Proportional to 1,250,638.25, 1,725,886.77 and 677,679.44

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Solution

The fourth proportional to 1,250,638.25, 1,725,886.77 and 677,679.44 is: 935,200.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,638.25 : 1,725,886.77 = 677,679.44 : x
  2. Step 2: Convert to fraction form
    1,250,638.25/1,725,886.77 = 677,679.44/x
  3. Step 3: Cross multiply
    1,250,638.25x = 1,725,886.77 × 677,679.44
  4. Step 4: Simplify right side
    1,250,638.25x = 1,169,597,979,797.01
  5. Step 5: Solve for x
    x = 1,169,597,979,797.01/1,250,638.25
  6. Step 6: Final answer
    x = 935,200.87

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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.