Home / 393,913.96-590,944.38-127,650.76

Finding the Fourth Proportional to 393,913.96, 590,944.38 and 127,650.76

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Solution

The fourth proportional to 393,913.96, 590,944.38 and 127,650.76 is: 191,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,913.96 : 590,944.38 = 127,650.76 : x
  2. Step 2: Convert to fraction form
    393,913.96/590,944.38 = 127,650.76/x
  3. Step 3: Cross multiply
    393,913.96x = 590,944.38 × 127,650.76
  4. Step 4: Simplify right side
    393,913.96x = 75,434,499,224.73
  5. Step 5: Solve for x
    x = 75,434,499,224.73/393,913.96
  6. Step 6: Final answer
    x = 191,499.94

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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.