Home / 527,277.24-727,694.54-300,956.76

Finding the Fourth Proportional to 527,277.24, 727,694.54 and 300,956.76

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Solution

The fourth proportional to 527,277.24, 727,694.54 and 300,956.76 is: 415,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,277.24 : 727,694.54 = 300,956.76 : x
  2. Step 2: Convert to fraction form
    527,277.24/727,694.54 = 300,956.76/x
  3. Step 3: Cross multiply
    527,277.24x = 727,694.54 × 300,956.76
  4. Step 4: Simplify right side
    527,277.24x = 219,004,591,028.09
  5. Step 5: Solve for x
    x = 219,004,591,028.09/527,277.24
  6. Step 6: Final answer
    x = 415,349.98

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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.