Home / 654,157.62-981,617.12-275,050.89

Finding the Fourth Proportional to 654,157.62, 981,617.12 and 275,050.89

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Solution

The fourth proportional to 654,157.62, 981,617.12 and 275,050.89 is: 412,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,157.62 : 981,617.12 = 275,050.89 : x
  2. Step 2: Convert to fraction form
    654,157.62/981,617.12 = 275,050.89/x
  3. Step 3: Cross multiply
    654,157.62x = 981,617.12 × 275,050.89
  4. Step 4: Simplify right side
    654,157.62x = 269,994,662,495.24
  5. Step 5: Solve for x
    x = 269,994,662,495.24/654,157.62
  6. Step 6: Final answer
    x = 412,736.40

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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.