Home / 460,321.13-690,776.62-223,534.64

Finding the Fourth Proportional to 460,321.13, 690,776.62 and 223,534.64

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Solution

The fourth proportional to 460,321.13, 690,776.62 and 223,534.64 is: 335,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,321.13 : 690,776.62 = 223,534.64 : x
  2. Step 2: Convert to fraction form
    460,321.13/690,776.62 = 223,534.64/x
  3. Step 3: Cross multiply
    460,321.13x = 690,776.62 × 223,534.64
  4. Step 4: Simplify right side
    460,321.13x = 154,412,504,240.22
  5. Step 5: Solve for x
    x = 154,412,504,240.22/460,321.13
  6. Step 6: Final answer
    x = 335,445.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.