Home / 516,431.34-774,329.90-179,327.16

Finding the Fourth Proportional to 516,431.34, 774,329.90 and 179,327.16

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Solution

The fourth proportional to 516,431.34, 774,329.90 and 179,327.16 is: 268,880.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,431.34 : 774,329.90 = 179,327.16 : x
  2. Step 2: Convert to fraction form
    516,431.34/774,329.90 = 179,327.16/x
  3. Step 3: Cross multiply
    516,431.34x = 774,329.90 × 179,327.16
  4. Step 4: Simplify right side
    516,431.34x = 138,858,380,973.45
  5. Step 5: Solve for x
    x = 138,858,380,973.45/516,431.34
  6. Step 6: Final answer
    x = 268,880.62

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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.