Home / 863,747.68-1,191,968.70-481,774.16

Finding the Fourth Proportional to 863,747.68, 1,191,968.70 and 481,774.16

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Solution

The fourth proportional to 863,747.68, 1,191,968.70 and 481,774.16 is: 664,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,747.68 : 1,191,968.70 = 481,774.16 : x
  2. Step 2: Convert to fraction form
    863,747.68/1,191,968.70 = 481,774.16/x
  3. Step 3: Cross multiply
    863,747.68x = 1,191,968.70 × 481,774.16
  4. Step 4: Simplify right side
    863,747.68x = 574,259,719,188.79
  5. Step 5: Solve for x
    x = 574,259,719,188.79/863,747.68
  6. Step 6: Final answer
    x = 664,846.61

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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.