Home / 856,405.62-1,181,753.52-474,361.02

Finding the Fourth Proportional to 856,405.62, 1,181,753.52 and 474,361.02

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Solution

The fourth proportional to 856,405.62, 1,181,753.52 and 474,361.02 is: 654,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,405.62 : 1,181,753.52 = 474,361.02 : x
  2. Step 2: Convert to fraction form
    856,405.62/1,181,753.52 = 474,361.02/x
  3. Step 3: Cross multiply
    856,405.62x = 1,181,753.52 × 474,361.02
  4. Step 4: Simplify right side
    856,405.62x = 560,577,805,135.79
  5. Step 5: Solve for x
    x = 560,577,805,135.79/856,405.62
  6. Step 6: Final answer
    x = 654,570.44

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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.