Home / 449,119.23-673,678.87-358,738.78

Finding the Fourth Proportional to 449,119.23, 673,678.87 and 358,738.78

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Solution

The fourth proportional to 449,119.23, 673,678.87 and 358,738.78 is: 538,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,119.23 : 673,678.87 = 358,738.78 : x
  2. Step 2: Convert to fraction form
    449,119.23/673,678.87 = 358,738.78/x
  3. Step 3: Cross multiply
    449,119.23x = 673,678.87 × 358,738.78
  4. Step 4: Simplify right side
    449,119.23x = 241,674,735,935.58
  5. Step 5: Solve for x
    x = 241,674,735,935.58/449,119.23
  6. Step 6: Final answer
    x = 538,108.19

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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.