Home / 516,346.20-774,344.62-196,422.12

Finding the Fourth Proportional to 516,346.20, 774,344.62 and 196,422.12

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Solution

The fourth proportional to 516,346.20, 774,344.62 and 196,422.12 is: 294,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,346.20 : 774,344.62 = 196,422.12 : x
  2. Step 2: Convert to fraction form
    516,346.20/774,344.62 = 196,422.12/x
  3. Step 3: Cross multiply
    516,346.20x = 774,344.62 × 196,422.12
  4. Step 4: Simplify right side
    516,346.20x = 152,098,411,870.99
  5. Step 5: Solve for x
    x = 152,098,411,870.99/516,346.20
  6. Step 6: Final answer
    x = 294,566.73

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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.