Home / 509,864.42-764,824.58-168,293.90

Finding the Fourth Proportional to 509,864.42, 764,824.58 and 168,293.90

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Solution

The fourth proportional to 509,864.42, 764,824.58 and 168,293.90 is: 252,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,864.42 : 764,824.58 = 168,293.90 : x
  2. Step 2: Convert to fraction form
    509,864.42/764,824.58 = 168,293.90/x
  3. Step 3: Cross multiply
    509,864.42x = 764,824.58 × 168,293.90
  4. Step 4: Simplify right side
    509,864.42x = 128,715,313,085.76
  5. Step 5: Solve for x
    x = 128,715,313,085.76/509,864.42
  6. Step 6: Final answer
    x = 252,450.08

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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.