Home / 762,236.96-1,143,528.00-256,784.13

Finding the Fourth Proportional to 762,236.96, 1,143,528.00 and 256,784.13

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Solution

The fourth proportional to 762,236.96, 1,143,528.00 and 256,784.13 is: 385,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,236.96 : 1,143,528.00 = 256,784.13 : x
  2. Step 2: Convert to fraction form
    762,236.96/1,143,528.00 = 256,784.13/x
  3. Step 3: Cross multiply
    762,236.96x = 1,143,528.00 × 256,784.13
  4. Step 4: Simplify right side
    762,236.96x = 293,639,841,647.70
  5. Step 5: Solve for x
    x = 293,639,841,647.70/762,236.96
  6. Step 6: Final answer
    x = 385,234.33

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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.