Home / 775,817.66-1,161,237.38-415,086.14

Finding the Fourth Proportional to 775,817.66, 1,161,237.38 and 415,086.14

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Solution

The fourth proportional to 775,817.66, 1,161,237.38 and 415,086.14 is: 621,297.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,817.66 : 1,161,237.38 = 415,086.14 : x
  2. Step 2: Convert to fraction form
    775,817.66/1,161,237.38 = 415,086.14/x
  3. Step 3: Cross multiply
    775,817.66x = 1,161,237.38 × 415,086.14
  4. Step 4: Simplify right side
    775,817.66x = 482,013,541,687.91
  5. Step 5: Solve for x
    x = 482,013,541,687.91/775,817.66
  6. Step 6: Final answer
    x = 621,297.46

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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.