Home / 957,136.80-1,320,906.72-527,416.56

Finding the Fourth Proportional to 957,136.80, 1,320,906.72 and 527,416.56

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Solution

The fourth proportional to 957,136.80, 1,320,906.72 and 527,416.56 is: 727,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,136.80 : 1,320,906.72 = 527,416.56 : x
  2. Step 2: Convert to fraction form
    957,136.80/1,320,906.72 = 527,416.56/x
  3. Step 3: Cross multiply
    957,136.80x = 1,320,906.72 × 527,416.56
  4. Step 4: Simplify right side
    957,136.80x = 696,668,078,343.28
  5. Step 5: Solve for x
    x = 696,668,078,343.28/957,136.80
  6. Step 6: Final answer
    x = 727,866.78

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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.