Home / 794,561.40-1,191,404.70-261,808.20

Finding the Fourth Proportional to 794,561.40, 1,191,404.70 and 261,808.20

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Solution

The fourth proportional to 794,561.40, 1,191,404.70 and 261,808.20 is: 392,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,561.40 : 1,191,404.70 = 261,808.20 : x
  2. Step 2: Convert to fraction form
    794,561.40/1,191,404.70 = 261,808.20/x
  3. Step 3: Cross multiply
    794,561.40x = 1,191,404.70 × 261,808.20
  4. Step 4: Simplify right side
    794,561.40x = 311,919,519,978.54
  5. Step 5: Solve for x
    x = 311,919,519,978.54/794,561.40
  6. Step 6: Final answer
    x = 392,568.18

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Double scale
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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.