Home / 419,711.40-629,567.10-336,767.40

Finding the Fourth Proportional to 419,711.40, 629,567.10 and 336,767.40

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Solution

The fourth proportional to 419,711.40, 629,567.10 and 336,767.40 is: 505,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,711.40 : 629,567.10 = 336,767.40 : x
  2. Step 2: Convert to fraction form
    419,711.40/629,567.10 = 336,767.40/x
  3. Step 3: Cross multiply
    419,711.40x = 629,567.10 × 336,767.40
  4. Step 4: Simplify right side
    419,711.40x = 212,017,675,392.54
  5. Step 5: Solve for x
    x = 212,017,675,392.54/419,711.40
  6. Step 6: Final answer
    x = 505,151.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.