Home / 449,837.36-674,943.56-197,299.28

Finding the Fourth Proportional to 449,837.36, 674,943.56 and 197,299.28

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Solution

The fourth proportional to 449,837.36, 674,943.56 and 197,299.28 is: 296,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,837.36 : 674,943.56 = 197,299.28 : x
  2. Step 2: Convert to fraction form
    449,837.36/674,943.56 = 197,299.28/x
  3. Step 3: Cross multiply
    449,837.36x = 674,943.56 × 197,299.28
  4. Step 4: Simplify right side
    449,837.36x = 133,165,878,428.64
  5. Step 5: Solve for x
    x = 133,165,878,428.64/449,837.36
  6. Step 6: Final answer
    x = 296,031.17

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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.