Home / 610,813.68-916,278.82-189,976.56

Finding the Fourth Proportional to 610,813.68, 916,278.82 and 189,976.56

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Solution

The fourth proportional to 610,813.68, 916,278.82 and 189,976.56 is: 284,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,813.68 : 916,278.82 = 189,976.56 : x
  2. Step 2: Convert to fraction form
    610,813.68/916,278.82 = 189,976.56/x
  3. Step 3: Cross multiply
    610,813.68x = 916,278.82 × 189,976.56
  4. Step 4: Simplify right side
    610,813.68x = 174,071,498,224.46
  5. Step 5: Solve for x
    x = 174,071,498,224.46/610,813.68
  6. Step 6: Final answer
    x = 284,982.97

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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.