Home / 738,412.30-1,107,618.31-177,446.80

Finding the Fourth Proportional to 738,412.30, 1,107,618.31 and 177,446.80

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Solution

The fourth proportional to 738,412.30, 1,107,618.31 and 177,446.80 is: 266,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,412.30 : 1,107,618.31 = 177,446.80 : x
  2. Step 2: Convert to fraction form
    738,412.30/1,107,618.31 = 177,446.80/x
  3. Step 3: Cross multiply
    738,412.30x = 1,107,618.31 × 177,446.80
  4. Step 4: Simplify right side
    738,412.30x = 196,543,324,730.91
  5. Step 5: Solve for x
    x = 196,543,324,730.91/738,412.30
  6. Step 6: Final answer
    x = 266,170.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.