Home / 629,031.83-868,100.41-473,705.04

Finding the Fourth Proportional to 629,031.83, 868,100.41 and 473,705.04

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Solution

The fourth proportional to 629,031.83, 868,100.41 and 473,705.04 is: 653,740.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,031.83 : 868,100.41 = 473,705.04 : x
  2. Step 2: Convert to fraction form
    629,031.83/868,100.41 = 473,705.04/x
  3. Step 3: Cross multiply
    629,031.83x = 868,100.41 × 473,705.04
  4. Step 4: Simplify right side
    629,031.83x = 411,223,540,625.98
  5. Step 5: Solve for x
    x = 411,223,540,625.98/629,031.83
  6. Step 6: Final answer
    x = 653,740.43

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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.