Home / 453,826.05-680,388.43-229,070.80

Finding the Fourth Proportional to 453,826.05, 680,388.43 and 229,070.80

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Solution

The fourth proportional to 453,826.05, 680,388.43 and 229,070.80 is: 343,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,826.05 : 680,388.43 = 229,070.80 : x
  2. Step 2: Convert to fraction form
    453,826.05/680,388.43 = 229,070.80/x
  3. Step 3: Cross multiply
    453,826.05x = 680,388.43 × 229,070.80
  4. Step 4: Simplify right side
    453,826.05x = 155,857,121,970.84
  5. Step 5: Solve for x
    x = 155,857,121,970.84/453,826.05
  6. Step 6: Final answer
    x = 343,429.21

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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.