Home / 480,988.62-663,740.10-263,192.58

Finding the Fourth Proportional to 480,988.62, 663,740.10 and 263,192.58

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Solution

The fourth proportional to 480,988.62, 663,740.10 and 263,192.58 is: 363,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,988.62 : 663,740.10 = 263,192.58 : x
  2. Step 2: Convert to fraction form
    480,988.62/663,740.10 = 263,192.58/x
  3. Step 3: Cross multiply
    480,988.62x = 663,740.10 × 263,192.58
  4. Step 4: Simplify right side
    480,988.62x = 174,691,469,368.46
  5. Step 5: Solve for x
    x = 174,691,469,368.46/480,988.62
  6. Step 6: Final answer
    x = 363,192.52

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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.