Home / 629,936.06-869,315.90-343,460.93

Finding the Fourth Proportional to 629,936.06, 869,315.90 and 343,460.93

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Solution

The fourth proportional to 629,936.06, 869,315.90 and 343,460.93 is: 473,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,936.06 : 869,315.90 = 343,460.93 : x
  2. Step 2: Convert to fraction form
    629,936.06/869,315.90 = 343,460.93/x
  3. Step 3: Cross multiply
    629,936.06x = 869,315.90 × 343,460.93
  4. Step 4: Simplify right side
    629,936.06x = 298,576,041,413.90
  5. Step 5: Solve for x
    x = 298,576,041,413.90/629,936.06
  6. Step 6: Final answer
    x = 473,978.33

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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.