Home / 557,805.56-836,763.68-178,631.06

Finding the Fourth Proportional to 557,805.56, 836,763.68 and 178,631.06

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Solution

The fourth proportional to 557,805.56, 836,763.68 and 178,631.06 is: 267,964.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,805.56 : 836,763.68 = 178,631.06 : x
  2. Step 2: Convert to fraction form
    557,805.56/836,763.68 = 178,631.06/x
  3. Step 3: Cross multiply
    557,805.56x = 836,763.68 × 178,631.06
  4. Step 4: Simplify right side
    557,805.56x = 149,471,979,390.66
  5. Step 5: Solve for x
    x = 149,471,979,390.66/557,805.56
  6. Step 6: Final answer
    x = 267,964.31

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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.