Home / 654,670.94-981,110.61-494,615.34

Finding the Fourth Proportional to 654,670.94, 981,110.61 and 494,615.34

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Solution

The fourth proportional to 654,670.94, 981,110.61 and 494,615.34 is: 741,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,670.94 : 981,110.61 = 494,615.34 : x
  2. Step 2: Convert to fraction form
    654,670.94/981,110.61 = 494,615.34/x
  3. Step 3: Cross multiply
    654,670.94x = 981,110.61 × 494,615.34
  4. Step 4: Simplify right side
    654,670.94x = 485,272,357,942.76
  5. Step 5: Solve for x
    x = 485,272,357,942.76/654,670.94
  6. Step 6: Final answer
    x = 741,246.22

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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.