Home / 828,154.38-1,241,345.82-378,201

Finding the Fourth Proportional to 828,154.38, 1,241,345.82 and 378,201

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Solution

The fourth proportional to 828,154.38, 1,241,345.82 and 378,201 is: 566,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,154.38 : 1,241,345.82 = 378,201 : x
  2. Step 2: Convert to fraction form
    828,154.38/1,241,345.82 = 378,201/x
  3. Step 3: Cross multiply
    828,154.38x = 1,241,345.82 × 378,201
  4. Step 4: Simplify right side
    828,154.38x = 469,478,229,760.69
  5. Step 5: Solve for x
    x = 469,478,229,760.69/828,154.38
  6. Step 6: Final answer
    x = 566,897.00

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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.