Home / 480,945.69-721,516.95-165,361.59

Finding the Fourth Proportional to 480,945.69, 721,516.95 and 165,361.59

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Solution

The fourth proportional to 480,945.69, 721,516.95 and 165,361.59 is: 248,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,945.69 : 721,516.95 = 165,361.59 : x
  2. Step 2: Convert to fraction form
    480,945.69/721,516.95 = 165,361.59/x
  3. Step 3: Cross multiply
    480,945.69x = 721,516.95 × 165,361.59
  4. Step 4: Simplify right side
    480,945.69x = 119,311,190,063.95
  5. Step 5: Solve for x
    x = 119,311,190,063.95/480,945.69
  6. Step 6: Final answer
    x = 248,076.22

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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.