Home / 828,025.53-1,240,770.79-557,150.49

Finding the Fourth Proportional to 828,025.53, 1,240,770.79 and 557,150.49

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Solution

The fourth proportional to 828,025.53, 1,240,770.79 and 557,150.49 is: 834,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,025.53 : 1,240,770.79 = 557,150.49 : x
  2. Step 2: Convert to fraction form
    828,025.53/1,240,770.79 = 557,150.49/x
  3. Step 3: Cross multiply
    828,025.53x = 1,240,770.79 × 557,150.49
  4. Step 4: Simplify right side
    828,025.53x = 691,296,053,626.19
  5. Step 5: Solve for x
    x = 691,296,053,626.19/828,025.53
  6. Step 6: Final answer
    x = 834,872.87

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Double scale
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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.