Home / 629,886.23-869,242.96-357,954.65

Finding the Fourth Proportional to 629,886.23, 869,242.96 and 357,954.65

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Solution

The fourth proportional to 629,886.23, 869,242.96 and 357,954.65 is: 493,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,886.23 : 869,242.96 = 357,954.65 : x
  2. Step 2: Convert to fraction form
    629,886.23/869,242.96 = 357,954.65/x
  3. Step 3: Cross multiply
    629,886.23x = 869,242.96 × 357,954.65
  4. Step 4: Simplify right side
    629,886.23x = 311,149,555,165.55
  5. Step 5: Solve for x
    x = 311,149,555,165.55/629,886.23
  6. Step 6: Final answer
    x = 493,977.39

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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.