Home / 589,309.56-883,965.96-189,979.56

Finding the Fourth Proportional to 589,309.56, 883,965.96 and 189,979.56

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Solution

The fourth proportional to 589,309.56, 883,965.96 and 189,979.56 is: 284,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,309.56 : 883,965.96 = 189,979.56 : x
  2. Step 2: Convert to fraction form
    589,309.56/883,965.96 = 189,979.56/x
  3. Step 3: Cross multiply
    589,309.56x = 883,965.96 × 189,979.56
  4. Step 4: Simplify right side
    589,309.56x = 167,935,464,135.78
  5. Step 5: Solve for x
    x = 167,935,464,135.78/589,309.56
  6. Step 6: Final answer
    x = 284,969.86

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Half scale
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Double scale
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Similar ratio
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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.