Home / 455,921.14-683,881.70-123,497.14

Finding the Fourth Proportional to 455,921.14, 683,881.70 and 123,497.14

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Solution

The fourth proportional to 455,921.14, 683,881.70 and 123,497.14 is: 185,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,921.14 : 683,881.70 = 123,497.14 : x
  2. Step 2: Convert to fraction form
    455,921.14/683,881.70 = 123,497.14/x
  3. Step 3: Cross multiply
    455,921.14x = 683,881.70 × 123,497.14
  4. Step 4: Simplify right side
    455,921.14x = 84,457,434,048.34
  5. Step 5: Solve for x
    x = 84,457,434,048.34/455,921.14
  6. Step 6: Final answer
    x = 185,245.71

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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.