Home / 776,107.46-1,164,161.50-349,144.57

Finding the Fourth Proportional to 776,107.46, 1,164,161.50 and 349,144.57

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Solution

The fourth proportional to 776,107.46, 1,164,161.50 and 349,144.57 is: 523,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,107.46 : 1,164,161.50 = 349,144.57 : x
  2. Step 2: Convert to fraction form
    776,107.46/1,164,161.50 = 349,144.57/x
  3. Step 3: Cross multiply
    776,107.46x = 1,164,161.50 × 349,144.57
  4. Step 4: Simplify right side
    776,107.46x = 406,460,660,361.99
  5. Step 5: Solve for x
    x = 406,460,660,361.99/776,107.46
  6. Step 6: Final answer
    x = 523,716.99

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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.