Home / 862,141.95-1,293,212.94-263,106.18

Finding the Fourth Proportional to 862,141.95, 1,293,212.94 and 263,106.18

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Solution

The fourth proportional to 862,141.95, 1,293,212.94 and 263,106.18 is: 394,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,141.95 : 1,293,212.94 = 263,106.18 : x
  2. Step 2: Convert to fraction form
    862,141.95/1,293,212.94 = 263,106.18/x
  3. Step 3: Cross multiply
    862,141.95x = 1,293,212.94 × 263,106.18
  4. Step 4: Simplify right side
    862,141.95x = 340,252,316,569.97
  5. Step 5: Solve for x
    x = 340,252,316,569.97/862,141.95
  6. Step 6: Final answer
    x = 394,659.27

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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.