Home / 863,869.20-1,192,131.36-476,688.24

Finding the Fourth Proportional to 863,869.20, 1,192,131.36 and 476,688.24

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Solution

The fourth proportional to 863,869.20, 1,192,131.36 and 476,688.24 is: 657,825.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,869.20 : 1,192,131.36 = 476,688.24 : x
  2. Step 2: Convert to fraction form
    863,869.20/1,192,131.36 = 476,688.24/x
  3. Step 3: Cross multiply
    863,869.20x = 1,192,131.36 × 476,688.24
  4. Step 4: Simplify right side
    863,869.20x = 568,274,999,847.21
  5. Step 5: Solve for x
    x = 568,274,999,847.21/863,869.20
  6. Step 6: Final answer
    x = 657,825.28

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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.