Home / 783,505.96-1,175,259.20-214,892.98

Finding the Fourth Proportional to 783,505.96, 1,175,259.20 and 214,892.98

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Solution

The fourth proportional to 783,505.96, 1,175,259.20 and 214,892.98 is: 322,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,505.96 : 1,175,259.20 = 214,892.98 : x
  2. Step 2: Convert to fraction form
    783,505.96/1,175,259.20 = 214,892.98/x
  3. Step 3: Cross multiply
    783,505.96x = 1,175,259.20 × 214,892.98
  4. Step 4: Simplify right side
    783,505.96x = 252,554,951,760.42
  5. Step 5: Solve for x
    x = 252,554,951,760.42/783,505.96
  6. Step 6: Final answer
    x = 322,339.54

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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.