Home / 629,263.77-868,319.27-353,577.84

Finding the Fourth Proportional to 629,263.77, 868,319.27 and 353,577.84

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Solution

The fourth proportional to 629,263.77, 868,319.27 and 353,577.84 is: 487,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,263.77 : 868,319.27 = 353,577.84 : x
  2. Step 2: Convert to fraction form
    629,263.77/868,319.27 = 353,577.84/x
  3. Step 3: Cross multiply
    629,263.77x = 868,319.27 × 353,577.84
  4. Step 4: Simplify right side
    629,263.77x = 307,018,450,149.09
  5. Step 5: Solve for x
    x = 307,018,450,149.09/629,263.77
  6. Step 6: Final answer
    x = 487,901.04

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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.