Home / 1,296,694.64-1,945,331.13-398,227.05

Finding the Fourth Proportional to 1,296,694.64, 1,945,331.13 and 398,227.05

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Solution

The fourth proportional to 1,296,694.64, 1,945,331.13 and 398,227.05 is: 597,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,694.64 : 1,945,331.13 = 398,227.05 : x
  2. Step 2: Convert to fraction form
    1,296,694.64/1,945,331.13 = 398,227.05/x
  3. Step 3: Cross multiply
    1,296,694.64x = 1,945,331.13 × 398,227.05
  4. Step 4: Simplify right side
    1,296,694.64x = 774,683,478,666.42
  5. Step 5: Solve for x
    x = 774,683,478,666.42/1,296,694.64
  6. Step 6: Final answer
    x = 597,429.38

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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.