Home / 867,371.46-1,301,178.15-394,175.94

Finding the Fourth Proportional to 867,371.46, 1,301,178.15 and 394,175.94

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Solution

The fourth proportional to 867,371.46, 1,301,178.15 and 394,175.94 is: 591,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,371.46 : 1,301,178.15 = 394,175.94 : x
  2. Step 2: Convert to fraction form
    867,371.46/1,301,178.15 = 394,175.94/x
  3. Step 3: Cross multiply
    867,371.46x = 1,301,178.15 × 394,175.94
  4. Step 4: Simplify right side
    867,371.46x = 512,893,120,383.71
  5. Step 5: Solve for x
    x = 512,893,120,383.71/867,371.46
  6. Step 6: Final answer
    x = 591,318.88

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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.