Home / 926,240.82-1,389,361.23-261,392.82

Finding the Fourth Proportional to 926,240.82, 1,389,361.23 and 261,392.82

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Solution

The fourth proportional to 926,240.82, 1,389,361.23 and 261,392.82 is: 392,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,240.82 : 1,389,361.23 = 261,392.82 : x
  2. Step 2: Convert to fraction form
    926,240.82/1,389,361.23 = 261,392.82/x
  3. Step 3: Cross multiply
    926,240.82x = 1,389,361.23 × 261,392.82
  4. Step 4: Simplify right side
    926,240.82x = 363,169,049,908.37
  5. Step 5: Solve for x
    x = 363,169,049,908.37/926,240.82
  6. Step 6: Final answer
    x = 392,089.23

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Double scale
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Similar ratio
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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.