Home / 724,273.91-999,681.72-494,924.03

Finding the Fourth Proportional to 724,273.91, 999,681.72 and 494,924.03

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Solution

The fourth proportional to 724,273.91, 999,681.72 and 494,924.03 is: 683,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,273.91 : 999,681.72 = 494,924.03 : x
  2. Step 2: Convert to fraction form
    724,273.91/999,681.72 = 494,924.03/x
  3. Step 3: Cross multiply
    724,273.91x = 999,681.72 × 494,924.03
  4. Step 4: Simplify right side
    724,273.91x = 494,766,505,579.73
  5. Step 5: Solve for x
    x = 494,766,505,579.73/724,273.91
  6. Step 6: Final answer
    x = 683,120.71

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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.