Home / 526,910.37-790,367.60-127,550.49

Finding the Fourth Proportional to 526,910.37, 790,367.60 and 127,550.49

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Solution

The fourth proportional to 526,910.37, 790,367.60 and 127,550.49 is: 191,326.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,910.37 : 790,367.60 = 127,550.49 : x
  2. Step 2: Convert to fraction form
    526,910.37/790,367.60 = 127,550.49/x
  3. Step 3: Cross multiply
    526,910.37x = 790,367.60 × 127,550.49
  4. Step 4: Simplify right side
    526,910.37x = 100,811,774,660.12
  5. Step 5: Solve for x
    x = 100,811,774,660.12/526,910.37
  6. Step 6: Final answer
    x = 191,326.23

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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.