Home / 467,636.98-645,284.19-263,675.76

Finding the Fourth Proportional to 467,636.98, 645,284.19 and 263,675.76

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Solution

The fourth proportional to 467,636.98, 645,284.19 and 263,675.76 is: 363,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,636.98 : 645,284.19 = 263,675.76 : x
  2. Step 2: Convert to fraction form
    467,636.98/645,284.19 = 263,675.76/x
  3. Step 3: Cross multiply
    467,636.98x = 645,284.19 × 263,675.76
  4. Step 4: Simplify right side
    467,636.98x = 170,145,796,300.03
  5. Step 5: Solve for x
    x = 170,145,796,300.03/467,636.98
  6. Step 6: Final answer
    x = 363,841.62

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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.