Home / 629,343.26-868,598.99-371,284.25

Finding the Fourth Proportional to 629,343.26, 868,598.99 and 371,284.25

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Solution

The fourth proportional to 629,343.26, 868,598.99 and 371,284.25 is: 512,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,343.26 : 868,598.99 = 371,284.25 : x
  2. Step 2: Convert to fraction form
    629,343.26/868,598.99 = 371,284.25/x
  3. Step 3: Cross multiply
    629,343.26x = 868,598.99 × 371,284.25
  4. Step 4: Simplify right side
    629,343.26x = 322,497,118,353.49
  5. Step 5: Solve for x
    x = 322,497,118,353.49/629,343.26
  6. Step 6: Final answer
    x = 512,434.38

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Double scale
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Similar ratio
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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.