Home / 629,093.90-868,174.14-357,187.11

Finding the Fourth Proportional to 629,093.90, 868,174.14 and 357,187.11

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Solution

The fourth proportional to 629,093.90, 868,174.14 and 357,187.11 is: 492,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,093.90 : 868,174.14 = 357,187.11 : x
  2. Step 2: Convert to fraction form
    629,093.90/868,174.14 = 357,187.11/x
  3. Step 3: Cross multiply
    629,093.90x = 868,174.14 × 357,187.11
  4. Step 4: Simplify right side
    629,093.90x = 310,100,612,043.34
  5. Step 5: Solve for x
    x = 310,100,612,043.34/629,093.90
  6. Step 6: Final answer
    x = 492,932.16

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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.