Home / 816,190.40-1,224,285.60-484,414.40

Finding the Fourth Proportional to 816,190.40, 1,224,285.60 and 484,414.40

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Solution

The fourth proportional to 816,190.40, 1,224,285.60 and 484,414.40 is: 726,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,190.40 : 1,224,285.60 = 484,414.40 : x
  2. Step 2: Convert to fraction form
    816,190.40/1,224,285.60 = 484,414.40/x
  3. Step 3: Cross multiply
    816,190.40x = 1,224,285.60 × 484,414.40
  4. Step 4: Simplify right side
    816,190.40x = 593,061,574,352.64
  5. Step 5: Solve for x
    x = 593,061,574,352.64/816,190.40
  6. Step 6: Final answer
    x = 726,621.60

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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.