Home / 494,159.43-681,935.10-276,365.70

Finding the Fourth Proportional to 494,159.43, 681,935.10 and 276,365.70

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Solution

The fourth proportional to 494,159.43, 681,935.10 and 276,365.70 is: 381,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,159.43 : 681,935.10 = 276,365.70 : x
  2. Step 2: Convert to fraction form
    494,159.43/681,935.10 = 276,365.70/x
  3. Step 3: Cross multiply
    494,159.43x = 681,935.10 × 276,365.70
  4. Step 4: Simplify right side
    494,159.43x = 188,463,471,266.07
  5. Step 5: Solve for x
    x = 188,463,471,266.07/494,159.43
  6. Step 6: Final answer
    x = 381,381.92

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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.