Home / 453,291.63-678,260.34-273,481.35

Finding the Fourth Proportional to 453,291.63, 678,260.34 and 273,481.35

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Solution

The fourth proportional to 453,291.63, 678,260.34 and 273,481.35 is: 409,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,291.63 : 678,260.34 = 273,481.35 : x
  2. Step 2: Convert to fraction form
    453,291.63/678,260.34 = 273,481.35/x
  3. Step 3: Cross multiply
    453,291.63x = 678,260.34 × 273,481.35
  4. Step 4: Simplify right side
    453,291.63x = 185,491,553,434.66
  5. Step 5: Solve for x
    x = 185,491,553,434.66/453,291.63
  6. Step 6: Final answer
    x = 409,210.19

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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.