Home / 766,863.60-1,150,732.80-293,888.40

Finding the Fourth Proportional to 766,863.60, 1,150,732.80 and 293,888.40

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Solution

The fourth proportional to 766,863.60, 1,150,732.80 and 293,888.40 is: 441,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,863.60 : 1,150,732.80 = 293,888.40 : x
  2. Step 2: Convert to fraction form
    766,863.60/1,150,732.80 = 293,888.40/x
  3. Step 3: Cross multiply
    766,863.60x = 1,150,732.80 × 293,888.40
  4. Step 4: Simplify right side
    766,863.60x = 338,187,021,419.52
  5. Step 5: Solve for x
    x = 338,187,021,419.52/766,863.60
  6. Step 6: Final answer
    x = 441,000.23

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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.