Home / 863,714.24-1,191,927.72-481,765.76

Finding the Fourth Proportional to 863,714.24, 1,191,927.72 and 481,765.76

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Solution

The fourth proportional to 863,714.24, 1,191,927.72 and 481,765.76 is: 664,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,714.24 : 1,191,927.72 = 481,765.76 : x
  2. Step 2: Convert to fraction form
    863,714.24/1,191,927.72 = 481,765.76/x
  3. Step 3: Cross multiply
    863,714.24x = 1,191,927.72 × 481,765.76
  4. Step 4: Simplify right side
    863,714.24x = 574,229,963,890.87
  5. Step 5: Solve for x
    x = 574,229,963,890.87/863,714.24
  6. Step 6: Final answer
    x = 664,837.90

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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.