Home / 629,738.01-869,039.78-412,095.97

Finding the Fourth Proportional to 629,738.01, 869,039.78 and 412,095.97

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Solution

The fourth proportional to 629,738.01, 869,039.78 and 412,095.97 is: 568,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,738.01 : 869,039.78 = 412,095.97 : x
  2. Step 2: Convert to fraction form
    629,738.01/869,039.78 = 412,095.97/x
  3. Step 3: Cross multiply
    629,738.01x = 869,039.78 × 412,095.97
  4. Step 4: Simplify right side
    629,738.01x = 358,127,791,107.69
  5. Step 5: Solve for x
    x = 358,127,791,107.69/629,738.01
  6. Step 6: Final answer
    x = 568,693.31

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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.