Home / 453,826.24-680,687.52-121,428.16

Finding the Fourth Proportional to 453,826.24, 680,687.52 and 121,428.16

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Solution

The fourth proportional to 453,826.24, 680,687.52 and 121,428.16 is: 182,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,826.24 : 680,687.52 = 121,428.16 : x
  2. Step 2: Convert to fraction form
    453,826.24/680,687.52 = 121,428.16/x
  3. Step 3: Cross multiply
    453,826.24x = 680,687.52 × 121,428.16
  4. Step 4: Simplify right side
    453,826.24x = 82,654,633,088.56
  5. Step 5: Solve for x
    x = 82,654,633,088.56/453,826.24
  6. Step 6: Final answer
    x = 182,128.37

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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.