Home / 738,412.80-1,107,619.06-177,447.30

Finding the Fourth Proportional to 738,412.80, 1,107,619.06 and 177,447.30

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Solution

The fourth proportional to 738,412.80, 1,107,619.06 and 177,447.30 is: 266,170.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,412.80 : 1,107,619.06 = 177,447.30 : x
  2. Step 2: Convert to fraction form
    738,412.80/1,107,619.06 = 177,447.30/x
  3. Step 3: Cross multiply
    738,412.80x = 1,107,619.06 × 177,447.30
  4. Step 4: Simplify right side
    738,412.80x = 196,544,011,625.54
  5. Step 5: Solve for x
    x = 196,544,011,625.54/738,412.80
  6. Step 6: Final answer
    x = 266,170.92

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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.