Home / 828,154.76-1,241,346.38-378,201.38

Finding the Fourth Proportional to 828,154.76, 1,241,346.38 and 378,201.38

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Solution

The fourth proportional to 828,154.76, 1,241,346.38 and 378,201.38 is: 566,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,154.76 : 1,241,346.38 = 378,201.38 : x
  2. Step 2: Convert to fraction form
    828,154.76/1,241,346.38 = 378,201.38/x
  3. Step 3: Cross multiply
    828,154.76x = 1,241,346.38 × 378,201.38
  4. Step 4: Simplify right side
    828,154.76x = 469,478,908,003.65
  5. Step 5: Solve for x
    x = 469,478,908,003.65/828,154.76
  6. Step 6: Final answer
    x = 566,897.56

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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.