Home / 863,634.96-1,191,818.34-481,686.48

Finding the Fourth Proportional to 863,634.96, 1,191,818.34 and 481,686.48

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Solution

The fourth proportional to 863,634.96, 1,191,818.34 and 481,686.48 is: 664,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,634.96 : 1,191,818.34 = 481,686.48 : x
  2. Step 2: Convert to fraction form
    863,634.96/1,191,818.34 = 481,686.48/x
  3. Step 3: Cross multiply
    863,634.96x = 1,191,818.34 × 481,686.48
  4. Step 4: Simplify right side
    863,634.96x = 574,082,780,994.04
  5. Step 5: Solve for x
    x = 574,082,780,994.04/863,634.96
  6. Step 6: Final answer
    x = 664,728.51

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Double scale
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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.