Home / 395,527.10-545,824.73-223,500.76

Finding the Fourth Proportional to 395,527.10, 545,824.73 and 223,500.76

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Solution

The fourth proportional to 395,527.10, 545,824.73 and 223,500.76 is: 308,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,527.10 : 545,824.73 = 223,500.76 : x
  2. Step 2: Convert to fraction form
    395,527.10/545,824.73 = 223,500.76/x
  3. Step 3: Cross multiply
    395,527.10x = 545,824.73 × 223,500.76
  4. Step 4: Simplify right side
    395,527.10x = 121,992,239,499.73
  5. Step 5: Solve for x
    x = 121,992,239,499.73/395,527.10
  6. Step 6: Final answer
    x = 308,429.54

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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.