Home / 629,567.16-868,777.41-343,081.09

Finding the Fourth Proportional to 629,567.16, 868,777.41 and 343,081.09

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Solution

The fourth proportional to 629,567.16, 868,777.41 and 343,081.09 is: 473,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,567.16 : 868,777.41 = 343,081.09 : x
  2. Step 2: Convert to fraction form
    629,567.16/868,777.41 = 343,081.09/x
  3. Step 3: Cross multiply
    629,567.16x = 868,777.41 × 343,081.09
  4. Step 4: Simplify right side
    629,567.16x = 298,061,100,790.18
  5. Step 5: Solve for x
    x = 298,061,100,790.18/629,567.16
  6. Step 6: Final answer
    x = 473,438.13

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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.