Home / 629,534.57-868,756.19-343,054.17

Finding the Fourth Proportional to 629,534.57, 868,756.19 and 343,054.17

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Solution

The fourth proportional to 629,534.57, 868,756.19 and 343,054.17 is: 473,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,534.57 : 868,756.19 = 343,054.17 : x
  2. Step 2: Convert to fraction form
    629,534.57/868,756.19 = 343,054.17/x
  3. Step 3: Cross multiply
    629,534.57x = 868,756.19 × 343,054.17
  4. Step 4: Simplify right side
    629,534.57x = 298,030,431,977.54
  5. Step 5: Solve for x
    x = 298,030,431,977.54/629,534.57
  6. Step 6: Final answer
    x = 473,413.93

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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.