Home / 856,187.46-1,283,286.51-323,369.46

Finding the Fourth Proportional to 856,187.46, 1,283,286.51 and 323,369.46

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Solution

The fourth proportional to 856,187.46, 1,283,286.51 and 323,369.46 is: 484,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,187.46 : 1,283,286.51 = 323,369.46 : x
  2. Step 2: Convert to fraction form
    856,187.46/1,283,286.51 = 323,369.46/x
  3. Step 3: Cross multiply
    856,187.46x = 1,283,286.51 × 323,369.46
  4. Step 4: Simplify right side
    856,187.46x = 414,975,665,763.99
  5. Step 5: Solve for x
    x = 414,975,665,763.99/856,187.46
  6. Step 6: Final answer
    x = 484,678.51

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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.