Home / 756,783.85-1,044,369.86-412,616.97

Finding the Fourth Proportional to 756,783.85, 1,044,369.86 and 412,616.97

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Solution

The fourth proportional to 756,783.85, 1,044,369.86 and 412,616.97 is: 569,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,783.85 : 1,044,369.86 = 412,616.97 : x
  2. Step 2: Convert to fraction form
    756,783.85/1,044,369.86 = 412,616.97/x
  3. Step 3: Cross multiply
    756,783.85x = 1,044,369.86 × 412,616.97
  4. Step 4: Simplify right side
    756,783.85x = 430,924,725,537.56
  5. Step 5: Solve for x
    x = 430,924,725,537.56/756,783.85
  6. Step 6: Final answer
    x = 569,415.86

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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.