Home / 867,548.72-1,197,223.26-505,183.88

Finding the Fourth Proportional to 867,548.72, 1,197,223.26 and 505,183.88

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Solution

The fourth proportional to 867,548.72, 1,197,223.26 and 505,183.88 is: 697,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,548.72 : 1,197,223.26 = 505,183.88 : x
  2. Step 2: Convert to fraction form
    867,548.72/1,197,223.26 = 505,183.88/x
  3. Step 3: Cross multiply
    867,548.72x = 1,197,223.26 × 505,183.88
  4. Step 4: Simplify right side
    867,548.72x = 604,817,891,713.05
  5. Step 5: Solve for x
    x = 604,817,891,713.05/867,548.72
  6. Step 6: Final answer
    x = 697,157.26

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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.