Home / 874,098.84-1,206,330.66-492,200.04

Finding the Fourth Proportional to 874,098.84, 1,206,330.66 and 492,200.04

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Solution

The fourth proportional to 874,098.84, 1,206,330.66 and 492,200.04 is: 679,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,098.84 : 1,206,330.66 = 492,200.04 : x
  2. Step 2: Convert to fraction form
    874,098.84/1,206,330.66 = 492,200.04/x
  3. Step 3: Cross multiply
    874,098.84x = 1,206,330.66 × 492,200.04
  4. Step 4: Simplify right side
    874,098.84x = 593,755,999,105.23
  5. Step 5: Solve for x
    x = 593,755,999,105.23/874,098.84
  6. Step 6: Final answer
    x = 679,277.87

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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.