Home / 629,185.95-868,317.48-374,502.51

Finding the Fourth Proportional to 629,185.95, 868,317.48 and 374,502.51

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Solution

The fourth proportional to 629,185.95, 868,317.48 and 374,502.51 is: 516,837.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,185.95 : 868,317.48 = 374,502.51 : x
  2. Step 2: Convert to fraction form
    629,185.95/868,317.48 = 374,502.51/x
  3. Step 3: Cross multiply
    629,185.95x = 868,317.48 × 374,502.51
  4. Step 4: Simplify right side
    629,185.95x = 325,187,075,736.88
  5. Step 5: Solve for x
    x = 325,187,075,736.88/629,185.95
  6. Step 6: Final answer
    x = 516,837.79

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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.