Home / 777,096.75-1,165,711.14-216,131.25

Finding the Fourth Proportional to 777,096.75, 1,165,711.14 and 216,131.25

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Solution

The fourth proportional to 777,096.75, 1,165,711.14 and 216,131.25 is: 324,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,096.75 : 1,165,711.14 = 216,131.25 : x
  2. Step 2: Convert to fraction form
    777,096.75/1,165,711.14 = 216,131.25/x
  3. Step 3: Cross multiply
    777,096.75x = 1,165,711.14 × 216,131.25
  4. Step 4: Simplify right side
    777,096.75x = 251,946,605,827.13
  5. Step 5: Solve for x
    x = 251,946,605,827.13/777,096.75
  6. Step 6: Final answer
    x = 324,215.24

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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.