Home / 775,040.90-1,161,934.00-242,287.70

Finding the Fourth Proportional to 775,040.90, 1,161,934.00 and 242,287.70

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Solution

The fourth proportional to 775,040.90, 1,161,934.00 and 242,287.70 is: 363,235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,040.90 : 1,161,934.00 = 242,287.70 : x
  2. Step 2: Convert to fraction form
    775,040.90/1,161,934.00 = 242,287.70/x
  3. Step 3: Cross multiply
    775,040.90x = 1,161,934.00 × 242,287.70
  4. Step 4: Simplify right side
    775,040.90x = 281,522,309,996.41
  5. Step 5: Solve for x
    x = 281,522,309,996.41/775,040.90
  6. Step 6: Final answer
    x = 363,235.43

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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.