Home / 509,856.20-764,784.30-244,135.70

Finding the Fourth Proportional to 509,856.20, 764,784.30 and 244,135.70

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Solution

The fourth proportional to 509,856.20, 764,784.30 and 244,135.70 is: 366,203.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,856.20 : 764,784.30 = 244,135.70 : x
  2. Step 2: Convert to fraction form
    509,856.20/764,784.30 = 244,135.70/x
  3. Step 3: Cross multiply
    509,856.20x = 764,784.30 × 244,135.70
  4. Step 4: Simplify right side
    509,856.20x = 186,711,150,429.51
  5. Step 5: Solve for x
    x = 186,711,150,429.51/509,856.20
  6. Step 6: Final answer
    x = 366,203.55

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Similar ratio
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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.