Home / 538,526.45-743,136.18-296,808.23

Finding the Fourth Proportional to 538,526.45, 743,136.18 and 296,808.23

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Solution

The fourth proportional to 538,526.45, 743,136.18 and 296,808.23 is: 409,578.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,526.45 : 743,136.18 = 296,808.23 : x
  2. Step 2: Convert to fraction form
    538,526.45/743,136.18 = 296,808.23/x
  3. Step 3: Cross multiply
    538,526.45x = 743,136.18 × 296,808.23
  4. Step 4: Simplify right side
    538,526.45x = 220,568,934,234.76
  5. Step 5: Solve for x
    x = 220,568,934,234.76/538,526.45
  6. Step 6: Final answer
    x = 409,578.65

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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.