Home / 629,936.82-869,316.93-343,461.69

Finding the Fourth Proportional to 629,936.82, 869,316.93 and 343,461.69

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Solution

The fourth proportional to 629,936.82, 869,316.93 and 343,461.69 is: 473,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,936.82 : 869,316.93 = 343,461.69 : x
  2. Step 2: Convert to fraction form
    629,936.82/869,316.93 = 343,461.69/x
  3. Step 3: Cross multiply
    629,936.82x = 869,316.93 × 343,461.69
  4. Step 4: Simplify right side
    629,936.82x = 298,577,061,923.41
  5. Step 5: Solve for x
    x = 298,577,061,923.41/629,936.82
  6. Step 6: Final answer
    x = 473,979.38

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Double scale
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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.