Home / 986,872.10-1,361,887.56-534,163.10

Finding the Fourth Proportional to 986,872.10, 1,361,887.56 and 534,163.10

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Solution

The fourth proportional to 986,872.10, 1,361,887.56 and 534,163.10 is: 737,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,872.10 : 1,361,887.56 = 534,163.10 : x
  2. Step 2: Convert to fraction form
    986,872.10/1,361,887.56 = 534,163.10/x
  3. Step 3: Cross multiply
    986,872.10x = 1,361,887.56 × 534,163.10
  4. Step 4: Simplify right side
    986,872.10x = 727,470,074,091.60
  5. Step 5: Solve for x
    x = 727,470,074,091.60/986,872.10
  6. Step 6: Final answer
    x = 737,147.27

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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.