Home / 827,468.53-1,241,202.87-266,503.03

Finding the Fourth Proportional to 827,468.53, 1,241,202.87 and 266,503.03

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Solution

The fourth proportional to 827,468.53, 1,241,202.87 and 266,503.03 is: 399,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,468.53 : 1,241,202.87 = 266,503.03 : x
  2. Step 2: Convert to fraction form
    827,468.53/1,241,202.87 = 266,503.03/x
  3. Step 3: Cross multiply
    827,468.53x = 1,241,202.87 × 266,503.03
  4. Step 4: Simplify right side
    827,468.53x = 330,784,326,251.81
  5. Step 5: Solve for x
    x = 330,784,326,251.81/827,468.53
  6. Step 6: Final answer
    x = 399,754.57

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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.