Home / 518,636.03-777,954.18-163,677.83

Finding the Fourth Proportional to 518,636.03, 777,954.18 and 163,677.83

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Solution

The fourth proportional to 518,636.03, 777,954.18 and 163,677.83 is: 245,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,636.03 : 777,954.18 = 163,677.83 : x
  2. Step 2: Convert to fraction form
    518,636.03/777,954.18 = 163,677.83/x
  3. Step 3: Cross multiply
    518,636.03x = 777,954.18 × 163,677.83
  4. Step 4: Simplify right side
    518,636.03x = 127,333,852,021.83
  5. Step 5: Solve for x
    x = 127,333,852,021.83/518,636.03
  6. Step 6: Final answer
    x = 245,516.79

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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.