Home / 509,823.05-764,734.50-242,773.88

Finding the Fourth Proportional to 509,823.05, 764,734.50 and 242,773.88

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Solution

The fourth proportional to 509,823.05, 764,734.50 and 242,773.88 is: 364,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,823.05 : 764,734.50 = 242,773.88 : x
  2. Step 2: Convert to fraction form
    509,823.05/764,734.50 = 242,773.88/x
  3. Step 3: Cross multiply
    509,823.05x = 764,734.50 × 242,773.88
  4. Step 4: Simplify right side
    509,823.05x = 185,657,557,911.19
  5. Step 5: Solve for x
    x = 185,657,557,911.19/509,823.05
  6. Step 6: Final answer
    x = 364,160.78

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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.