Home / 756,885.80-1,044,494.76-412,720.85

Finding the Fourth Proportional to 756,885.80, 1,044,494.76 and 412,720.85

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Solution

The fourth proportional to 756,885.80, 1,044,494.76 and 412,720.85 is: 569,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,885.80 : 1,044,494.76 = 412,720.85 : x
  2. Step 2: Convert to fraction form
    756,885.80/1,044,494.76 = 412,720.85/x
  3. Step 3: Cross multiply
    756,885.80x = 1,044,494.76 × 412,720.85
  4. Step 4: Simplify right side
    756,885.80x = 431,084,759,945.27
  5. Step 5: Solve for x
    x = 431,084,759,945.27/756,885.80
  6. Step 6: Final answer
    x = 569,550.60

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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.