Home / 863,625.38-1,191,803.09-481,643.96

Finding the Fourth Proportional to 863,625.38, 1,191,803.09 and 481,643.96

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Solution

The fourth proportional to 863,625.38, 1,191,803.09 and 481,643.96 is: 664,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,625.38 : 1,191,803.09 = 481,643.96 : x
  2. Step 2: Convert to fraction form
    863,625.38/1,191,803.09 = 481,643.96/x
  3. Step 3: Cross multiply
    863,625.38x = 1,191,803.09 × 481,643.96
  4. Step 4: Simplify right side
    863,625.38x = 574,024,751,440.60
  5. Step 5: Solve for x
    x = 574,024,751,440.60/863,625.38
  6. Step 6: Final answer
    x = 664,668.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.