Home / 827,376.40-1,241,064.60-294,914.80

Finding the Fourth Proportional to 827,376.40, 1,241,064.60 and 294,914.80

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Solution

The fourth proportional to 827,376.40, 1,241,064.60 and 294,914.80 is: 442,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,376.40 : 1,241,064.60 = 294,914.80 : x
  2. Step 2: Convert to fraction form
    827,376.40/1,241,064.60 = 294,914.80/x
  3. Step 3: Cross multiply
    827,376.40x = 1,241,064.60 × 294,914.80
  4. Step 4: Simplify right side
    827,376.40x = 366,008,318,296.08
  5. Step 5: Solve for x
    x = 366,008,318,296.08/827,376.40
  6. Step 6: Final answer
    x = 442,372.20

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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.