Home / 828,843.40-1,243,265.38-372,902.14

Finding the Fourth Proportional to 828,843.40, 1,243,265.38 and 372,902.14

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Solution

The fourth proportional to 828,843.40, 1,243,265.38 and 372,902.14 is: 559,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,843.40 : 1,243,265.38 = 372,902.14 : x
  2. Step 2: Convert to fraction form
    828,843.40/1,243,265.38 = 372,902.14/x
  3. Step 3: Cross multiply
    828,843.40x = 1,243,265.38 × 372,902.14
  4. Step 4: Simplify right side
    828,843.40x = 463,616,324,208.87
  5. Step 5: Solve for x
    x = 463,616,324,208.87/828,843.40
  6. Step 6: Final answer
    x = 559,353.34

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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.