Home / 781,609.50-1,172,414.25-190,633.50

Finding the Fourth Proportional to 781,609.50, 1,172,414.25 and 190,633.50

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Solution

The fourth proportional to 781,609.50, 1,172,414.25 and 190,633.50 is: 285,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,609.50 : 1,172,414.25 = 190,633.50 : x
  2. Step 2: Convert to fraction form
    781,609.50/1,172,414.25 = 190,633.50/x
  3. Step 3: Cross multiply
    781,609.50x = 1,172,414.25 × 190,633.50
  4. Step 4: Simplify right side
    781,609.50x = 223,501,431,927.38
  5. Step 5: Solve for x
    x = 223,501,431,927.38/781,609.50
  6. Step 6: Final answer
    x = 285,950.25

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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.