Home / 738,403.68-1,107,605.42-177,438.18

Finding the Fourth Proportional to 738,403.68, 1,107,605.42 and 177,438.18

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Solution

The fourth proportional to 738,403.68, 1,107,605.42 and 177,438.18 is: 266,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,403.68 : 1,107,605.42 = 177,438.18 : x
  2. Step 2: Convert to fraction form
    738,403.68/1,107,605.42 = 177,438.18/x
  3. Step 3: Cross multiply
    738,403.68x = 1,107,605.42 × 177,438.18
  4. Step 4: Simplify right side
    738,403.68x = 196,531,489,882.94
  5. Step 5: Solve for x
    x = 196,531,489,882.94/738,403.68
  6. Step 6: Final answer
    x = 266,157.25

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Double scale
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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.