Home / 863,712.86-1,191,925.35-481,764.24

Finding the Fourth Proportional to 863,712.86, 1,191,925.35 and 481,764.24

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Solution

The fourth proportional to 863,712.86, 1,191,925.35 and 481,764.24 is: 664,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,712.86 : 1,191,925.35 = 481,764.24 : x
  2. Step 2: Convert to fraction form
    863,712.86/1,191,925.35 = 481,764.24/x
  3. Step 3: Cross multiply
    863,712.86x = 1,191,925.35 × 481,764.24
  4. Step 4: Simplify right side
    863,712.86x = 574,227,010,379.48
  5. Step 5: Solve for x
    x = 574,227,010,379.48/863,712.86
  6. Step 6: Final answer
    x = 664,835.55

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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.