Home / 844,936.64-1,266,683.25-312,358.40

Finding the Fourth Proportional to 844,936.64, 1,266,683.25 and 312,358.40

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Solution

The fourth proportional to 844,936.64, 1,266,683.25 and 312,358.40 is: 468,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,936.64 : 1,266,683.25 = 312,358.40 : x
  2. Step 2: Convert to fraction form
    844,936.64/1,266,683.25 = 312,358.40/x
  3. Step 3: Cross multiply
    844,936.64x = 1,266,683.25 × 312,358.40
  4. Step 4: Simplify right side
    844,936.64x = 395,659,156,443.51
  5. Step 5: Solve for x
    x = 395,659,156,443.51/844,936.64
  6. Step 6: Final answer
    x = 468,270.80

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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.