Home / 926,344.27-1,389,321.60-261,340.75

Finding the Fourth Proportional to 926,344.27, 1,389,321.60 and 261,340.75

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Solution

The fourth proportional to 926,344.27, 1,389,321.60 and 261,340.75 is: 391,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,344.27 : 1,389,321.60 = 261,340.75 : x
  2. Step 2: Convert to fraction form
    926,344.27/1,389,321.60 = 261,340.75/x
  3. Step 3: Cross multiply
    926,344.27x = 1,389,321.60 × 261,340.75
  4. Step 4: Simplify right side
    926,344.27x = 363,086,348,935.20
  5. Step 5: Solve for x
    x = 363,086,348,935.20/926,344.27
  6. Step 6: Final answer
    x = 391,956.17

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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.