Home / 384,011.46-529,934.94-222,960.78

Finding the Fourth Proportional to 384,011.46, 529,934.94 and 222,960.78

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Solution

The fourth proportional to 384,011.46, 529,934.94 and 222,960.78 is: 307,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,011.46 : 529,934.94 = 222,960.78 : x
  2. Step 2: Convert to fraction form
    384,011.46/529,934.94 = 222,960.78/x
  3. Step 3: Cross multiply
    384,011.46x = 529,934.94 × 222,960.78
  4. Step 4: Simplify right side
    384,011.46x = 118,154,707,571.65
  5. Step 5: Solve for x
    x = 118,154,707,571.65/384,011.46
  6. Step 6: Final answer
    x = 307,685.37

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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.