Home / 705,885.60-1,058,669.64-200,435.88

Finding the Fourth Proportional to 705,885.60, 1,058,669.64 and 200,435.88

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Solution

The fourth proportional to 705,885.60, 1,058,669.64 and 200,435.88 is: 300,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,885.60 : 1,058,669.64 = 200,435.88 : x
  2. Step 2: Convert to fraction form
    705,885.60/1,058,669.64 = 200,435.88/x
  3. Step 3: Cross multiply
    705,885.60x = 1,058,669.64 × 200,435.88
  4. Step 4: Simplify right side
    705,885.60x = 212,195,380,922.68
  5. Step 5: Solve for x
    x = 212,195,380,922.68/705,885.60
  6. Step 6: Final answer
    x = 300,608.74

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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.