Home / 400,826.88-552,562.56-325,244.16

Finding the Fourth Proportional to 400,826.88, 552,562.56 and 325,244.16

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Solution

The fourth proportional to 400,826.88, 552,562.56 and 325,244.16 is: 448,367.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,826.88 : 552,562.56 = 325,244.16 : x
  2. Step 2: Convert to fraction form
    400,826.88/552,562.56 = 325,244.16/x
  3. Step 3: Cross multiply
    400,826.88x = 552,562.56 × 325,244.16
  4. Step 4: Simplify right side
    400,826.88x = 179,717,745,674.65
  5. Step 5: Solve for x
    x = 179,717,745,674.65/400,826.88
  6. Step 6: Final answer
    x = 448,367.50

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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.