Home / 738,429.05-1,107,643.26-177,463.55

Finding the Fourth Proportional to 738,429.05, 1,107,643.26 and 177,463.55

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Solution

The fourth proportional to 738,429.05, 1,107,643.26 and 177,463.55 is: 266,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,429.05 : 1,107,643.26 = 177,463.55 : x
  2. Step 2: Convert to fraction form
    738,429.05/1,107,643.26 = 177,463.55/x
  3. Step 3: Cross multiply
    738,429.05x = 1,107,643.26 × 177,463.55
  4. Step 4: Simplify right side
    738,429.05x = 196,566,305,053.17
  5. Step 5: Solve for x
    x = 196,566,305,053.17/738,429.05
  6. Step 6: Final answer
    x = 266,195.25

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Double scale
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Similar ratio
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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.