Home / 816,233.40-1,224,350.10-396,329.40

Finding the Fourth Proportional to 816,233.40, 1,224,350.10 and 396,329.40

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Solution

The fourth proportional to 816,233.40, 1,224,350.10 and 396,329.40 is: 594,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,233.40 : 1,224,350.10 = 396,329.40 : x
  2. Step 2: Convert to fraction form
    816,233.40/1,224,350.10 = 396,329.40/x
  3. Step 3: Cross multiply
    816,233.40x = 1,224,350.10 × 396,329.40
  4. Step 4: Simplify right side
    816,233.40x = 485,245,940,522.94
  5. Step 5: Solve for x
    x = 485,245,940,522.94/816,233.40
  6. Step 6: Final answer
    x = 594,494.10

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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.