Home / 629,539.20-868,773.60-343,058.40

Finding the Fourth Proportional to 629,539.20, 868,773.60 and 343,058.40

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Solution

The fourth proportional to 629,539.20, 868,773.60 and 343,058.40 is: 473,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,539.20 : 868,773.60 = 343,058.40 : x
  2. Step 2: Convert to fraction form
    629,539.20/868,773.60 = 343,058.40/x
  3. Step 3: Cross multiply
    629,539.20x = 868,773.60 × 343,058.40
  4. Step 4: Simplify right side
    629,539.20x = 298,040,081,178.24
  5. Step 5: Solve for x
    x = 298,040,081,178.24/629,539.20
  6. Step 6: Final answer
    x = 473,425.77

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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.