Home / 757,039.62-1,044,715.66-412,876.28

Finding the Fourth Proportional to 757,039.62, 1,044,715.66 and 412,876.28

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Solution

The fourth proportional to 757,039.62, 1,044,715.66 and 412,876.28 is: 569,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,039.62 : 1,044,715.66 = 412,876.28 : x
  2. Step 2: Convert to fraction form
    757,039.62/1,044,715.66 = 412,876.28/x
  3. Step 3: Cross multiply
    757,039.62x = 1,044,715.66 × 412,876.28
  4. Step 4: Simplify right side
    757,039.62x = 431,338,315,358.55
  5. Step 5: Solve for x
    x = 431,338,315,358.55/757,039.62
  6. Step 6: Final answer
    x = 569,769.80

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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.