Home / 629,893.26-869,252.67-357,961.68

Finding the Fourth Proportional to 629,893.26, 869,252.67 and 357,961.68

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Solution

The fourth proportional to 629,893.26, 869,252.67 and 357,961.68 is: 493,987.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,893.26 : 869,252.67 = 357,961.68 : x
  2. Step 2: Convert to fraction form
    629,893.26/869,252.67 = 357,961.68/x
  3. Step 3: Cross multiply
    629,893.26x = 869,252.67 × 357,961.68
  4. Step 4: Simplify right side
    629,893.26x = 311,159,146,097.69
  5. Step 5: Solve for x
    x = 311,159,146,097.69/629,893.26
  6. Step 6: Final answer
    x = 493,987.10

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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.