Home / 756,747.78-1,044,297.84-412,586.69

Finding the Fourth Proportional to 756,747.78, 1,044,297.84 and 412,586.69

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Solution

The fourth proportional to 756,747.78, 1,044,297.84 and 412,586.69 is: 569,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,747.78 : 1,044,297.84 = 412,586.69 : x
  2. Step 2: Convert to fraction form
    756,747.78/1,044,297.84 = 412,586.69/x
  3. Step 3: Cross multiply
    756,747.78x = 1,044,297.84 × 412,586.69
  4. Step 4: Simplify right side
    756,747.78x = 430,863,385,505.46
  5. Step 5: Solve for x
    x = 430,863,385,505.46/756,747.78
  6. Step 6: Final answer
    x = 569,361.94

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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.