Home / 468,631.14-646,227.22-400,872.41

Finding the Fourth Proportional to 468,631.14, 646,227.22 and 400,872.41

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Solution

The fourth proportional to 468,631.14, 646,227.22 and 400,872.41 is: 552,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,631.14 : 646,227.22 = 400,872.41 : x
  2. Step 2: Convert to fraction form
    468,631.14/646,227.22 = 400,872.41/x
  3. Step 3: Cross multiply
    468,631.14x = 646,227.22 × 400,872.41
  4. Step 4: Simplify right side
    468,631.14x = 259,054,663,089.00
  5. Step 5: Solve for x
    x = 259,054,663,089.00/468,631.14
  6. Step 6: Final answer
    x = 552,790.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.