Home / 453,829.52-626,456.10-356,780.18

Finding the Fourth Proportional to 453,829.52, 626,456.10 and 356,780.18

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Solution

The fourth proportional to 453,829.52, 626,456.10 and 356,780.18 is: 492,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,829.52 : 626,456.10 = 356,780.18 : x
  2. Step 2: Convert to fraction form
    453,829.52/626,456.10 = 356,780.18/x
  3. Step 3: Cross multiply
    453,829.52x = 626,456.10 × 356,780.18
  4. Step 4: Simplify right side
    453,829.52x = 223,507,120,120.10
  5. Step 5: Solve for x
    x = 223,507,120,120.10/453,829.52
  6. Step 6: Final answer
    x = 492,491.37

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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.