Home / 863,638.96-1,191,823.88-481,690.48

Finding the Fourth Proportional to 863,638.96, 1,191,823.88 and 481,690.48

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Solution

The fourth proportional to 863,638.96, 1,191,823.88 and 481,690.48 is: 664,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,638.96 : 1,191,823.88 = 481,690.48 : x
  2. Step 2: Convert to fraction form
    863,638.96/1,191,823.88 = 481,690.48/x
  3. Step 3: Cross multiply
    863,638.96x = 1,191,823.88 × 481,690.48
  4. Step 4: Simplify right side
    863,638.96x = 574,090,216,832.66
  5. Step 5: Solve for x
    x = 574,090,216,832.66/863,638.96
  6. Step 6: Final answer
    x = 664,734.04

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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.