Home / 638,982.41-958,309.52-189,596.97

Finding the Fourth Proportional to 638,982.41, 958,309.52 and 189,596.97

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Solution

The fourth proportional to 638,982.41, 958,309.52 and 189,596.97 is: 284,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,982.41 : 958,309.52 = 189,596.97 : x
  2. Step 2: Convert to fraction form
    638,982.41/958,309.52 = 189,596.97/x
  3. Step 3: Cross multiply
    638,982.41x = 958,309.52 × 189,596.97
  4. Step 4: Simplify right side
    638,982.41x = 181,692,580,366.17
  5. Step 5: Solve for x
    x = 181,692,580,366.17/638,982.41
  6. Step 6: Final answer
    x = 284,346.77

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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.