Home / 827,425.72-1,141,847.58-464,849.56

Finding the Fourth Proportional to 827,425.72, 1,141,847.58 and 464,849.56

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Solution

The fourth proportional to 827,425.72, 1,141,847.58 and 464,849.56 is: 641,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,425.72 : 1,141,847.58 = 464,849.56 : x
  2. Step 2: Convert to fraction form
    827,425.72/1,141,847.58 = 464,849.56/x
  3. Step 3: Cross multiply
    827,425.72x = 1,141,847.58 × 464,849.56
  4. Step 4: Simplify right side
    827,425.72x = 530,787,345,150.07
  5. Step 5: Solve for x
    x = 530,787,345,150.07/827,425.72
  6. Step 6: Final answer
    x = 641,492.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.