Home / 863,876.16-1,192,137.48-481,909.32

Finding the Fourth Proportional to 863,876.16, 1,192,137.48 and 481,909.32

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Solution

The fourth proportional to 863,876.16, 1,192,137.48 and 481,909.32 is: 665,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,876.16 : 1,192,137.48 = 481,909.32 : x
  2. Step 2: Convert to fraction form
    863,876.16/1,192,137.48 = 481,909.32/x
  3. Step 3: Cross multiply
    863,876.16x = 1,192,137.48 × 481,909.32
  4. Step 4: Simplify right side
    863,876.16x = 574,502,162,333.31
  5. Step 5: Solve for x
    x = 574,502,162,333.31/863,876.16
  6. Step 6: Final answer
    x = 665,028.38

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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.