Home / 771,067.67-1,156,314.22-265,487.27

Finding the Fourth Proportional to 771,067.67, 1,156,314.22 and 265,487.27

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Solution

The fourth proportional to 771,067.67, 1,156,314.22 and 265,487.27 is: 398,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,067.67 : 1,156,314.22 = 265,487.27 : x
  2. Step 2: Convert to fraction form
    771,067.67/1,156,314.22 = 265,487.27/x
  3. Step 3: Cross multiply
    771,067.67x = 1,156,314.22 × 265,487.27
  4. Step 4: Simplify right side
    771,067.67x = 306,986,699,084.69
  5. Step 5: Solve for x
    x = 306,986,699,084.69/771,067.67
  6. Step 6: Final answer
    x = 398,131.98

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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.