Home / 863,913.66-1,192,791.15-558,728.70

Finding the Fourth Proportional to 863,913.66, 1,192,791.15 and 558,728.70

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Solution

The fourth proportional to 863,913.66, 1,192,791.15 and 558,728.70 is: 771,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,913.66 : 1,192,791.15 = 558,728.70 : x
  2. Step 2: Convert to fraction form
    863,913.66/1,192,791.15 = 558,728.70/x
  3. Step 3: Cross multiply
    863,913.66x = 1,192,791.15 × 558,728.70
  4. Step 4: Simplify right side
    863,913.66x = 666,446,648,611.01
  5. Step 5: Solve for x
    x = 666,446,648,611.01/863,913.66
  6. Step 6: Final answer
    x = 771,427.38

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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.