Home / 905,769.58-1,358,653.47-231,849.78

Finding the Fourth Proportional to 905,769.58, 1,358,653.47 and 231,849.78

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Solution

The fourth proportional to 905,769.58, 1,358,653.47 and 231,849.78 is: 347,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,769.58 : 1,358,653.47 = 231,849.78 : x
  2. Step 2: Convert to fraction form
    905,769.58/1,358,653.47 = 231,849.78/x
  3. Step 3: Cross multiply
    905,769.58x = 1,358,653.47 × 231,849.78
  4. Step 4: Simplify right side
    905,769.58x = 315,003,508,115.74
  5. Step 5: Solve for x
    x = 315,003,508,115.74/905,769.58
  6. Step 6: Final answer
    x = 347,774.44

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Double scale
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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.