Home / 654,423.58-981,635.66-205,179.48

Finding the Fourth Proportional to 654,423.58, 981,635.66 and 205,179.48

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Solution

The fourth proportional to 654,423.58, 981,635.66 and 205,179.48 is: 307,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,423.58 : 981,635.66 = 205,179.48 : x
  2. Step 2: Convert to fraction form
    654,423.58/981,635.66 = 205,179.48/x
  3. Step 3: Cross multiply
    654,423.58x = 981,635.66 × 205,179.48
  4. Step 4: Simplify right side
    654,423.58x = 201,411,494,011.78
  5. Step 5: Solve for x
    x = 201,411,494,011.78/654,423.58
  6. Step 6: Final answer
    x = 307,769.31

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Similar ratio
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1.5x scale

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.