Home / 516,431.62-774,771.97-179,423.23

Finding the Fourth Proportional to 516,431.62, 774,771.97 and 179,423.23

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Solution

The fourth proportional to 516,431.62, 774,771.97 and 179,423.23 is: 269,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,431.62 : 774,771.97 = 179,423.23 : x
  2. Step 2: Convert to fraction form
    516,431.62/774,771.97 = 179,423.23/x
  3. Step 3: Cross multiply
    516,431.62x = 774,771.97 × 179,423.23
  4. Step 4: Simplify right side
    516,431.62x = 139,012,085,497.00
  5. Step 5: Solve for x
    x = 139,012,085,497.00/516,431.62
  6. Step 6: Final answer
    x = 269,178.11

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1.5x scale

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.