Home / 465,827.36-642,864.55-261,942.46

Finding the Fourth Proportional to 465,827.36, 642,864.55 and 261,942.46

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Solution

The fourth proportional to 465,827.36, 642,864.55 and 261,942.46 is: 361,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,827.36 : 642,864.55 = 261,942.46 : x
  2. Step 2: Convert to fraction form
    465,827.36/642,864.55 = 261,942.46/x
  3. Step 3: Cross multiply
    465,827.36x = 642,864.55 × 261,942.46
  4. Step 4: Simplify right side
    465,827.36x = 168,393,519,902.92
  5. Step 5: Solve for x
    x = 168,393,519,902.92/465,827.36
  6. Step 6: Final answer
    x = 361,493.41

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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.