Home / 372,789.60-558,631.44-273,809.76

Finding the Fourth Proportional to 372,789.60, 558,631.44 and 273,809.76

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Solution

The fourth proportional to 372,789.60, 558,631.44 and 273,809.76 is: 410,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,789.60 : 558,631.44 = 273,809.76 : x
  2. Step 2: Convert to fraction form
    372,789.60/558,631.44 = 273,809.76/x
  3. Step 3: Cross multiply
    372,789.60x = 558,631.44 × 273,809.76
  4. Step 4: Simplify right side
    372,789.60x = 152,958,740,514.85
  5. Step 5: Solve for x
    x = 152,958,740,514.85/372,789.60
  6. Step 6: Final answer
    x = 410,308.50

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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.