Home / 516,515.18-774,329.04-179,512.04

Finding the Fourth Proportional to 516,515.18, 774,329.04 and 179,512.04

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Solution

The fourth proportional to 516,515.18, 774,329.04 and 179,512.04 is: 269,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,515.18 : 774,329.04 = 179,512.04 : x
  2. Step 2: Convert to fraction form
    516,515.18/774,329.04 = 179,512.04/x
  3. Step 3: Cross multiply
    516,515.18x = 774,329.04 × 179,512.04
  4. Step 4: Simplify right side
    516,515.18x = 139,001,385,601.64
  5. Step 5: Solve for x
    x = 139,001,385,601.64/516,515.18
  6. Step 6: Final answer
    x = 269,113.84

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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.